Home / 432,686,777.40-649,030,166.10-125,988,895.80

Finding the Fourth Proportional to 432,686,777.40, 649,030,166.10 and 125,988,895.80

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Solution

The fourth proportional to 432,686,777.40, 649,030,166.10 and 125,988,895.80 is: 188,983,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,686,777.40 : 649,030,166.10 = 125,988,895.80 : x
  2. Step 2: Convert to fraction form
    432,686,777.40/649,030,166.10 = 125,988,895.80/x
  3. Step 3: Cross multiply
    432,686,777.40x = 649,030,166.10 × 125,988,895.80
  4. Step 4: Simplify right side
    432,686,777.40x = 81,770,593,967,829,600
  5. Step 5: Solve for x
    x = 81,770,593,967,829,600/432,686,777.40
  6. Step 6: Final answer
    x = 188,983,343.70

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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.