Home / 1,317,370,774.17-1,817,974,427.76-722,660,061

Finding the Fourth Proportional to 1,317,370,774.17, 1,817,974,427.76 and 722,660,061

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Solution

The fourth proportional to 1,317,370,774.17, 1,817,974,427.76 and 722,660,061 is: 997,272,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,370,774.17 : 1,817,974,427.76 = 722,660,061 : x
  2. Step 2: Convert to fraction form
    1,317,370,774.17/1,817,974,427.76 = 722,660,061/x
  3. Step 3: Cross multiply
    1,317,370,774.17x = 1,817,974,427.76 × 722,660,061
  4. Step 4: Simplify right side
    1,317,370,774.17x = 1,313,777,510,861,481,728
  5. Step 5: Solve for x
    x = 1,313,777,510,861,481,728/1,317,370,774.17
  6. Step 6: Final answer
    x = 997,272,397.89

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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.