Home / 439,750,348.38-659,624,965.52-112,225,868.84

Finding the Fourth Proportional to 439,750,348.38, 659,624,965.52 and 112,225,868.84

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Solution

The fourth proportional to 439,750,348.38, 659,624,965.52 and 112,225,868.84 is: 168,338,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,750,348.38 : 659,624,965.52 = 112,225,868.84 : x
  2. Step 2: Convert to fraction form
    439,750,348.38/659,624,965.52 = 112,225,868.84/x
  3. Step 3: Cross multiply
    439,750,348.38x = 659,624,965.52 × 112,225,868.84
  4. Step 4: Simplify right side
    439,750,348.38x = 74,026,984,865,966,672
  5. Step 5: Solve for x
    x = 74,026,984,865,966,672/439,750,348.38
  6. Step 6: Final answer
    x = 168,338,661.10

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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.