Home / 14,976,888,298.69-20,668,755,538.81-8,293,884,863.44

Finding the Fourth Proportional to 14,976,888,298.69, 20,668,755,538.81 and 8,293,884,863.44

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Solution

The fourth proportional to 14,976,888,298.69, 20,668,755,538.81 and 8,293,884,863.44 is: 11,445,920,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976,888,298.69 : 20,668,755,538.81 = 8,293,884,863.44 : x
  2. Step 2: Convert to fraction form
    14,976,888,298.69/20,668,755,538.81 = 8,293,884,863.44/x
  3. Step 3: Cross multiply
    14,976,888,298.69x = 20,668,755,538.81 × 8,293,884,863.44
  4. Step 4: Simplify right side
    14,976,888,298.69x = 171,424,278,709,401,354,240
  5. Step 5: Solve for x
    x = 171,424,278,709,401,354,240/14,976,888,298.69
  6. Step 6: Final answer
    x = 11,445,920,894.29

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Double scale
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1.5x scale

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.