Home / 1,121,036,117.55-1,681,554,176.33-604,475,465.55

Finding the Fourth Proportional to 1,121,036,117.55, 1,681,554,176.33 and 604,475,465.55

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Solution

The fourth proportional to 1,121,036,117.55, 1,681,554,176.33 and 604,475,465.55 is: 906,713,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,036,117.55 : 1,681,554,176.33 = 604,475,465.55 : x
  2. Step 2: Convert to fraction form
    1,121,036,117.55/1,681,554,176.33 = 604,475,465.55/x
  3. Step 3: Cross multiply
    1,121,036,117.55x = 1,681,554,176.33 × 604,475,465.55
  4. Step 4: Simplify right side
    1,121,036,117.55x = 1,016,458,243,581,601,152
  5. Step 5: Solve for x
    x = 1,016,458,243,581,601,152/1,121,036,117.55
  6. Step 6: Final answer
    x = 906,713,198.33

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Half scale
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Double scale
Find fourth proportional to 1,121,036,118.55, 1,681,554,177.83 and 604,475,466.55
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.