Home / 732,803,746.20-1,099,205,619.30-388,429,978.20

Finding the Fourth Proportional to 732,803,746.20, 1,099,205,619.30 and 388,429,978.20

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Solution

The fourth proportional to 732,803,746.20, 1,099,205,619.30 and 388,429,978.20 is: 582,644,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,803,746.20 : 1,099,205,619.30 = 388,429,978.20 : x
  2. Step 2: Convert to fraction form
    732,803,746.20/1,099,205,619.30 = 388,429,978.20/x
  3. Step 3: Cross multiply
    732,803,746.20x = 1,099,205,619.30 × 388,429,978.20
  4. Step 4: Simplify right side
    732,803,746.20x = 426,964,414,742,016,448
  5. Step 5: Solve for x
    x = 426,964,414,742,016,448/732,803,746.20
  6. Step 6: Final answer
    x = 582,644,967.30

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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.