Home / 14,386,775,101.29-21,474,788,265.18-12,688,420,532.65

Finding the Fourth Proportional to 14,386,775,101.29, 21,474,788,265.18 and 12,688,420,532.65

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Solution

The fourth proportional to 14,386,775,101.29, 21,474,788,265.18 and 12,688,420,532.65 is: 18,939,695,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386,775,101.29 : 21,474,788,265.18 = 12,688,420,532.65 : x
  2. Step 2: Convert to fraction form
    14,386,775,101.29/21,474,788,265.18 = 12,688,420,532.65/x
  3. Step 3: Cross multiply
    14,386,775,101.29x = 21,474,788,265.18 × 12,688,420,532.65
  4. Step 4: Simplify right side
    14,386,775,101.29x = 272,481,144,358,156,763,136
  5. Step 5: Solve for x
    x = 272,481,144,358,156,763,136/14,386,775,101.29
  6. Step 6: Final answer
    x = 18,939,695,827.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.