Home / 747,954,020.60-1,121,931,030.90-472,455,006.20

Finding the Fourth Proportional to 747,954,020.60, 1,121,931,030.90 and 472,455,006.20

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Solution

The fourth proportional to 747,954,020.60, 1,121,931,030.90 and 472,455,006.20 is: 708,682,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,954,020.60 : 1,121,931,030.90 = 472,455,006.20 : x
  2. Step 2: Convert to fraction form
    747,954,020.60/1,121,931,030.90 = 472,455,006.20/x
  3. Step 3: Cross multiply
    747,954,020.60x = 1,121,931,030.90 × 472,455,006.20
  4. Step 4: Simplify right side
    747,954,020.60x = 530,061,932,159,831,936
  5. Step 5: Solve for x
    x = 530,061,932,159,831,936/747,954,020.60
  6. Step 6: Final answer
    x = 708,682,509.30

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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.