Home / 1,318,393,572.61-1,818,555,558.59-782,165,597.00

Finding the Fourth Proportional to 1,318,393,572.61, 1,818,555,558.59 and 782,165,597.00

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Solution

The fourth proportional to 1,318,393,572.61, 1,818,555,558.59 and 782,165,597.00 is: 1,078,897,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,393,572.61 : 1,818,555,558.59 = 782,165,597.00 : x
  2. Step 2: Convert to fraction form
    1,318,393,572.61/1,818,555,558.59 = 782,165,597.00/x
  3. Step 3: Cross multiply
    1,318,393,572.61x = 1,818,555,558.59 × 782,165,597.00
  4. Step 4: Simplify right side
    1,318,393,572.61x = 1,422,411,594,155,078,400
  5. Step 5: Solve for x
    x = 1,422,411,594,155,078,400/1,318,393,572.61
  6. Step 6: Final answer
    x = 1,078,897,549.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.