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Finding the Fourth Proportional to 539,152,641.60, 808,728,962.40 and 294,264,628.80

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Solution

The fourth proportional to 539,152,641.60, 808,728,962.40 and 294,264,628.80 is: 441,396,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,152,641.60 : 808,728,962.40 = 294,264,628.80 : x
  2. Step 2: Convert to fraction form
    539,152,641.60/808,728,962.40 = 294,264,628.80/x
  3. Step 3: Cross multiply
    539,152,641.60x = 808,728,962.40 × 294,264,628.80
  4. Step 4: Simplify right side
    539,152,641.60x = 237,980,327,920,445,152
  5. Step 5: Solve for x
    x = 237,980,327,920,445,152/539,152,641.60
  6. Step 6: Final answer
    x = 441,396,943.20

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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.