Home / 10,520,189,549.13-15,782,314,592.42-3,435,767,860.61

Finding the Fourth Proportional to 10,520,189,549.13, 15,782,314,592.42 and 3,435,767,860.61

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Solution

The fourth proportional to 10,520,189,549.13, 15,782,314,592.42 and 3,435,767,860.61 is: 5,154,314,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,189,549.13 : 15,782,314,592.42 = 3,435,767,860.61 : x
  2. Step 2: Convert to fraction form
    10,520,189,549.13/15,782,314,592.42 = 3,435,767,860.61/x
  3. Step 3: Cross multiply
    10,520,189,549.13x = 15,782,314,592.42 × 3,435,767,860.61
  4. Step 4: Simplify right side
    10,520,189,549.13x = 54,224,369,242,636,730,368
  5. Step 5: Solve for x
    x = 54,224,369,242,636,730,368/10,520,189,549.13
  6. Step 6: Final answer
    x = 5,154,314,852.35

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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.