Home / 435,744,006.20-653,616,009.30-402,487,609.40

Finding the Fourth Proportional to 435,744,006.20, 653,616,009.30 and 402,487,609.40

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Solution

The fourth proportional to 435,744,006.20, 653,616,009.30 and 402,487,609.40 is: 603,731,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,744,006.20 : 653,616,009.30 = 402,487,609.40 : x
  2. Step 2: Convert to fraction form
    435,744,006.20/653,616,009.30 = 402,487,609.40/x
  3. Step 3: Cross multiply
    435,744,006.20x = 653,616,009.30 × 402,487,609.40
  4. Step 4: Simplify right side
    435,744,006.20x = 263,072,345,048,725,120
  5. Step 5: Solve for x
    x = 263,072,345,048,725,120/435,744,006.20
  6. Step 6: Final answer
    x = 603,731,414.10

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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.