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Finding the Fourth Proportional to 556,632,339.60, 834,948,509.40 and 508,164,920.40

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Solution

The fourth proportional to 556,632,339.60, 834,948,509.40 and 508,164,920.40 is: 762,247,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,632,339.60 : 834,948,509.40 = 508,164,920.40 : x
  2. Step 2: Convert to fraction form
    556,632,339.60/834,948,509.40 = 508,164,920.40/x
  3. Step 3: Cross multiply
    556,632,339.60x = 834,948,509.40 × 508,164,920.40
  4. Step 4: Simplify right side
    556,632,339.60x = 424,291,542,817,349,632
  5. Step 5: Solve for x
    x = 424,291,542,817,349,632/556,632,339.60
  6. Step 6: Final answer
    x = 762,247,380.60

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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.