Home / 1,121,036,178.80-1,681,554,268.20-604,475,526.80

Finding the Fourth Proportional to 1,121,036,178.80, 1,681,554,268.20 and 604,475,526.80

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Solution

The fourth proportional to 1,121,036,178.80, 1,681,554,268.20 and 604,475,526.80 is: 906,713,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,036,178.80 : 1,681,554,268.20 = 604,475,526.80 : x
  2. Step 2: Convert to fraction form
    1,121,036,178.80/1,681,554,268.20 = 604,475,526.80/x
  3. Step 3: Cross multiply
    1,121,036,178.80x = 1,681,554,268.20 × 604,475,526.80
  4. Step 4: Simplify right side
    1,121,036,178.80x = 1,016,458,402,112,983,424
  5. Step 5: Solve for x
    x = 1,016,458,402,112,983,424/1,121,036,178.80
  6. Step 6: Final answer
    x = 906,713,290.20

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Half scale
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Double scale
Find fourth proportional to 1,121,036,179.80, 1,681,554,269.70 and 604,475,527.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.