Home / 15,709,890,256.59-21,679,642,827.54-8,573,304,085.68

Finding the Fourth Proportional to 15,709,890,256.59, 21,679,642,827.54 and 8,573,304,085.68

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Solution

The fourth proportional to 15,709,890,256.59, 21,679,642,827.54 and 8,573,304,085.68 is: 11,831,156,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709,890,256.59 : 21,679,642,827.54 = 8,573,304,085.68 : x
  2. Step 2: Convert to fraction form
    15,709,890,256.59/21,679,642,827.54 = 8,573,304,085.68/x
  3. Step 3: Cross multiply
    15,709,890,256.59x = 21,679,642,827.54 × 8,573,304,085.68
  4. Step 4: Simplify right side
    15,709,890,256.59x = 185,866,170,429,431,808,000
  5. Step 5: Solve for x
    x = 185,866,170,429,431,808,000/15,709,890,256.59
  6. Step 6: Final answer
    x = 11,831,156,513.11

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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.