Home / 435,456,411.40-653,184,617.10-425,378,715.40

Finding the Fourth Proportional to 435,456,411.40, 653,184,617.10 and 425,378,715.40

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Solution

The fourth proportional to 435,456,411.40, 653,184,617.10 and 425,378,715.40 is: 638,068,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,456,411.40 : 653,184,617.10 = 425,378,715.40 : x
  2. Step 2: Convert to fraction form
    435,456,411.40/653,184,617.10 = 425,378,715.40/x
  3. Step 3: Cross multiply
    435,456,411.40x = 653,184,617.10 × 425,378,715.40
  4. Step 4: Simplify right side
    435,456,411.40x = 277,850,833,341,038,880
  5. Step 5: Solve for x
    x = 277,850,833,341,038,880/435,456,411.40
  6. Step 6: Final answer
    x = 638,068,073.10

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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.