Home / 861,699,869.19-1,290,693,254.02-583,826,494.50

Finding the Fourth Proportional to 861,699,869.19, 1,290,693,254.02 and 583,826,494.50

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Solution

The fourth proportional to 861,699,869.19, 1,290,693,254.02 and 583,826,494.50 is: 874,481,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,699,869.19 : 1,290,693,254.02 = 583,826,494.50 : x
  2. Step 2: Convert to fraction form
    861,699,869.19/1,290,693,254.02 = 583,826,494.50/x
  3. Step 3: Cross multiply
    861,699,869.19x = 1,290,693,254.02 × 583,826,494.50
  4. Step 4: Simplify right side
    861,699,869.19x = 753,540,917,967,835,008
  5. Step 5: Solve for x
    x = 753,540,917,967,835,008/861,699,869.19
  6. Step 6: Final answer
    x = 874,481,875.78

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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.