Home / 511,255,687,382.60-766,883,531,073.90-213,349,419,811.40

Finding the Fourth Proportional to 511,255,687,382.60, 766,883,531,073.90 and 213,349,419,811.40

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Solution

The fourth proportional to 511,255,687,382.60, 766,883,531,073.90 and 213,349,419,811.40 is: 320,024,129,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,255,687,382.60 : 766,883,531,073.90 = 213,349,419,811.40 : x
  2. Step 2: Convert to fraction form
    511,255,687,382.60/766,883,531,073.90 = 213,349,419,811.40/x
  3. Step 3: Cross multiply
    511,255,687,382.60x = 766,883,531,073.90 × 213,349,419,811.40
  4. Step 4: Simplify right side
    511,255,687,382.60x = 163,614,156,417,534,294,753,280
  5. Step 5: Solve for x
    x = 163,614,156,417,534,294,753,280/511,255,687,382.60
  6. Step 6: Final answer
    x = 320,024,129,717.10

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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.