Home / 1,339,649,926.55-2,009,570,549.20-357,071,318.85

Finding the Fourth Proportional to 1,339,649,926.55, 2,009,570,549.20 and 357,071,318.85

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Solution

The fourth proportional to 1,339,649,926.55, 2,009,570,549.20 and 357,071,318.85 is: 535,632,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,649,926.55 : 2,009,570,549.20 = 357,071,318.85 : x
  2. Step 2: Convert to fraction form
    1,339,649,926.55/2,009,570,549.20 = 357,071,318.85/x
  3. Step 3: Cross multiply
    1,339,649,926.55x = 2,009,570,549.20 × 357,071,318.85
  4. Step 4: Simplify right side
    1,339,649,926.55x = 717,560,006,333,605,632
  5. Step 5: Solve for x
    x = 717,560,006,333,605,632/1,339,649,926.55
  6. Step 6: Final answer
    x = 535,632,475.41

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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.