Home / 712,517,289.60-1,068,775,934.40-349,720,233.60

Finding the Fourth Proportional to 712,517,289.60, 1,068,775,934.40 and 349,720,233.60

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Solution

The fourth proportional to 712,517,289.60, 1,068,775,934.40 and 349,720,233.60 is: 524,580,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,517,289.60 : 1,068,775,934.40 = 349,720,233.60 : x
  2. Step 2: Convert to fraction form
    712,517,289.60/1,068,775,934.40 = 349,720,233.60/x
  3. Step 3: Cross multiply
    712,517,289.60x = 1,068,775,934.40 × 349,720,233.60
  4. Step 4: Simplify right side
    712,517,289.60x = 373,772,569,444,426,304
  5. Step 5: Solve for x
    x = 373,772,569,444,426,304/712,517,289.60
  6. Step 6: Final answer
    x = 524,580,350.40

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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.