Home / 299,455,962.90-448,428,117.15-196,663,463.70

Finding the Fourth Proportional to 299,455,962.90, 448,428,117.15 and 196,663,463.70

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Solution

The fourth proportional to 299,455,962.90, 448,428,117.15 and 196,663,463.70 is: 294,498,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,455,962.90 : 448,428,117.15 = 196,663,463.70 : x
  2. Step 2: Convert to fraction form
    299,455,962.90/448,428,117.15 = 196,663,463.70/x
  3. Step 3: Cross multiply
    299,455,962.90x = 448,428,117.15 × 196,663,463.70
  4. Step 4: Simplify right side
    299,455,962.90x = 88,189,426,739,188,368
  5. Step 5: Solve for x
    x = 88,189,426,739,188,368/299,455,962.90
  6. Step 6: Final answer
    x = 294,498,816.74

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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.