Home / 448,863,041.88-619,090,124.54-386,244,076.02

Finding the Fourth Proportional to 448,863,041.88, 619,090,124.54 and 386,244,076.02

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Solution

The fourth proportional to 448,863,041.88, 619,090,124.54 and 386,244,076.02 is: 532,723,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,863,041.88 : 619,090,124.54 = 386,244,076.02 : x
  2. Step 2: Convert to fraction form
    448,863,041.88/619,090,124.54 = 386,244,076.02/x
  3. Step 3: Cross multiply
    448,863,041.88x = 619,090,124.54 × 386,244,076.02
  4. Step 4: Simplify right side
    448,863,041.88x = 239,119,893,124,127,776
  5. Step 5: Solve for x
    x = 239,119,893,124,127,776/448,863,041.88
  6. Step 6: Final answer
    x = 532,723,505.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.