Home / 1,030,069,118.20-1,545,103,677.30-485,873,534.20

Finding the Fourth Proportional to 1,030,069,118.20, 1,545,103,677.30 and 485,873,534.20

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Solution

The fourth proportional to 1,030,069,118.20, 1,545,103,677.30 and 485,873,534.20 is: 728,810,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,069,118.20 : 1,545,103,677.30 = 485,873,534.20 : x
  2. Step 2: Convert to fraction form
    1,030,069,118.20/1,545,103,677.30 = 485,873,534.20/x
  3. Step 3: Cross multiply
    1,030,069,118.20x = 1,545,103,677.30 × 485,873,534.20
  4. Step 4: Simplify right side
    1,030,069,118.20x = 750,724,984,395,167,232
  5. Step 5: Solve for x
    x = 750,724,984,395,167,232/1,030,069,118.20
  6. Step 6: Final answer
    x = 728,810,301.30

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Half scale
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Double scale
Find fourth proportional to 1,030,069,119.20, 1,545,103,678.80 and 485,873,535.20
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.