Home / 1,291,551,835.70-1,781,389,869.28-974,025,447.50

Finding the Fourth Proportional to 1,291,551,835.70, 1,781,389,869.28 and 974,025,447.50

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Solution

The fourth proportional to 1,291,551,835.70, 1,781,389,869.28 and 974,025,447.50 is: 1,343,437,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,551,835.70 : 1,781,389,869.28 = 974,025,447.50 : x
  2. Step 2: Convert to fraction form
    1,291,551,835.70/1,781,389,869.28 = 974,025,447.50/x
  3. Step 3: Cross multiply
    1,291,551,835.70x = 1,781,389,869.28 × 974,025,447.50
  4. Step 4: Simplify right side
    1,291,551,835.70x = 1,735,119,064,597,418,496
  5. Step 5: Solve for x
    x = 1,735,119,064,597,418,496/1,291,551,835.70
  6. Step 6: Final answer
    x = 1,343,437,418.95

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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.