Home / 1,366,638,378.08-2,053,227,909.78-876,312,307.40

Finding the Fourth Proportional to 1,366,638,378.08, 2,053,227,909.78 and 876,312,307.40

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Solution

The fourth proportional to 1,366,638,378.08, 2,053,227,909.78 and 876,312,307.40 is: 1,316,565,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,638,378.08 : 2,053,227,909.78 = 876,312,307.40 : x
  2. Step 2: Convert to fraction form
    1,366,638,378.08/2,053,227,909.78 = 876,312,307.40/x
  3. Step 3: Cross multiply
    1,366,638,378.08x = 2,053,227,909.78 × 876,312,307.40
  4. Step 4: Simplify right side
    1,366,638,378.08x = 1,799,268,887,227,124,736
  5. Step 5: Solve for x
    x = 1,799,268,887,227,124,736/1,366,638,378.08
  6. Step 6: Final answer
    x = 1,316,565,461.71

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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.