Home / 425,744,006.40-638,616,009.60-425,744,006.40

Finding the Fourth Proportional to 425,744,006.40, 638,616,009.60 and 425,744,006.40

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Solution

The fourth proportional to 425,744,006.40, 638,616,009.60 and 425,744,006.40 is: 638,616,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,744,006.40 : 638,616,009.60 = 425,744,006.40 : x
  2. Step 2: Convert to fraction form
    425,744,006.40/638,616,009.60 = 425,744,006.40/x
  3. Step 3: Cross multiply
    425,744,006.40x = 638,616,009.60 × 425,744,006.40
  4. Step 4: Simplify right side
    425,744,006.40x = 271,886,938,478,284,864
  5. Step 5: Solve for x
    x = 271,886,938,478,284,864/425,744,006.40
  6. Step 6: Final answer
    x = 638,616,009.60

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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.