Home / 435,744,004.20-653,616,006.30-402,487,607.40

Finding the Fourth Proportional to 435,744,004.20, 653,616,006.30 and 402,487,607.40

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Solution

The fourth proportional to 435,744,004.20, 653,616,006.30 and 402,487,607.40 is: 603,731,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,744,004.20 : 653,616,006.30 = 402,487,607.40 : x
  2. Step 2: Convert to fraction form
    435,744,004.20/653,616,006.30 = 402,487,607.40/x
  3. Step 3: Cross multiply
    435,744,004.20x = 653,616,006.30 × 402,487,607.40
  4. Step 4: Simplify right side
    435,744,004.20x = 263,072,342,534,030,304
  5. Step 5: Solve for x
    x = 263,072,342,534,030,304/435,744,004.20
  6. Step 6: Final answer
    x = 603,731,411.10

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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.