Home / 1,273,841,167,479.70-1,910,768,894,378.40-424,895,366,895.15

Finding the Fourth Proportional to 1,273,841,167,479.70, 1,910,768,894,378.40 and 424,895,366,895.15

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Solution

The fourth proportional to 1,273,841,167,479.70, 1,910,768,894,378.40 and 424,895,366,895.15 is: 637,345,432,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,841,167,479.70 : 1,910,768,894,378.40 = 424,895,366,895.15 : x
  2. Step 2: Convert to fraction form
    1,273,841,167,479.70/1,910,768,894,378.40 = 424,895,366,895.15/x
  3. Step 3: Cross multiply
    1,273,841,167,479.70x = 1,910,768,894,378.40 × 424,895,366,895.15
  4. Step 4: Simplify right side
    1,273,841,167,479.70x = 811,876,850,428,750,443,053,056
  5. Step 5: Solve for x
    x = 811,876,850,428,750,443,053,056/1,273,841,167,479.70
  6. Step 6: Final answer
    x = 637,345,432,975.02

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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.