Home / 824,405,000.10-1,236,607,500.15-436,984,511.10

Finding the Fourth Proportional to 824,405,000.10, 1,236,607,500.15 and 436,984,511.10

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Solution

The fourth proportional to 824,405,000.10, 1,236,607,500.15 and 436,984,511.10 is: 655,476,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,405,000.10 : 1,236,607,500.15 = 436,984,511.10 : x
  2. Step 2: Convert to fraction form
    824,405,000.10/1,236,607,500.15 = 436,984,511.10/x
  3. Step 3: Cross multiply
    824,405,000.10x = 1,236,607,500.15 × 436,984,511.10
  4. Step 4: Simplify right side
    824,405,000.10x = 540,378,323,875,641,024
  5. Step 5: Solve for x
    x = 540,378,323,875,641,024/824,405,000.10
  6. Step 6: Final answer
    x = 655,476,766.65

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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.