Home / 970,339,118.40-1,454,516,654.40-478,295,611.20

Finding the Fourth Proportional to 970,339,118.40, 1,454,516,654.40 and 478,295,611.20

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Solution

The fourth proportional to 970,339,118.40, 1,454,516,654.40 and 478,295,611.20 is: 716,954,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,339,118.40 : 1,454,516,654.40 = 478,295,611.20 : x
  2. Step 2: Convert to fraction form
    970,339,118.40/1,454,516,654.40 = 478,295,611.20/x
  3. Step 3: Cross multiply
    970,339,118.40x = 1,454,516,654.40 × 478,295,611.20
  4. Step 4: Simplify right side
    970,339,118.40x = 695,688,932,216,827,136
  5. Step 5: Solve for x
    x = 695,688,932,216,827,136/970,339,118.40
  6. Step 6: Final answer
    x = 716,954,432.76

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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.