Home / 1,345,602,704.80-2,018,781,970.80-655,532,471.20

Finding the Fourth Proportional to 1,345,602,704.80, 2,018,781,970.80 and 655,532,471.20

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Solution

The fourth proportional to 1,345,602,704.80, 2,018,781,970.80 and 655,532,471.20 is: 983,482,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,602,704.80 : 2,018,781,970.80 = 655,532,471.20 : x
  2. Step 2: Convert to fraction form
    1,345,602,704.80/2,018,781,970.80 = 655,532,471.20/x
  3. Step 3: Cross multiply
    1,345,602,704.80x = 2,018,781,970.80 × 655,532,471.20
  4. Step 4: Simplify right side
    1,345,602,704.80x = 1,323,377,134,132,530,432
  5. Step 5: Solve for x
    x = 1,323,377,134,132,530,432/1,345,602,704.80
  6. Step 6: Final answer
    x = 983,482,813.62

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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.