Home / 1,160,249,479.10-1,740,374,218.65-394,344,583.10

Finding the Fourth Proportional to 1,160,249,479.10, 1,740,374,218.65 and 394,344,583.10

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Solution

The fourth proportional to 1,160,249,479.10, 1,740,374,218.65 and 394,344,583.10 is: 591,516,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,249,479.10 : 1,740,374,218.65 = 394,344,583.10 : x
  2. Step 2: Convert to fraction form
    1,160,249,479.10/1,740,374,218.65 = 394,344,583.10/x
  3. Step 3: Cross multiply
    1,160,249,479.10x = 1,740,374,218.65 × 394,344,583.10
  4. Step 4: Simplify right side
    1,160,249,479.10x = 686,307,145,691,522,560
  5. Step 5: Solve for x
    x = 686,307,145,691,522,560/1,160,249,479.10
  6. Step 6: Final answer
    x = 591,516,874.65

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Double scale
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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.