Home / 498,249,531.40-747,374,297.10-207,019,863.40

Finding the Fourth Proportional to 498,249,531.40, 747,374,297.10 and 207,019,863.40

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Solution

The fourth proportional to 498,249,531.40, 747,374,297.10 and 207,019,863.40 is: 310,529,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,249,531.40 : 747,374,297.10 = 207,019,863.40 : x
  2. Step 2: Convert to fraction form
    498,249,531.40/747,374,297.10 = 207,019,863.40/x
  3. Step 3: Cross multiply
    498,249,531.40x = 747,374,297.10 × 207,019,863.40
  4. Step 4: Simplify right side
    498,249,531.40x = 154,721,324,894,313,024
  5. Step 5: Solve for x
    x = 154,721,324,894,313,024/498,249,531.40
  6. Step 6: Final answer
    x = 310,529,795.10

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Similar ratio
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1.5x scale

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.