Home / 748,577,444.60-1,122,941,205.30-257,226,001.40

Finding the Fourth Proportional to 748,577,444.60, 1,122,941,205.30 and 257,226,001.40

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Solution

The fourth proportional to 748,577,444.60, 1,122,941,205.30 and 257,226,001.40 is: 385,864,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,577,444.60 : 1,122,941,205.30 = 257,226,001.40 : x
  2. Step 2: Convert to fraction form
    748,577,444.60/1,122,941,205.30 = 257,226,001.40/x
  3. Step 3: Cross multiply
    748,577,444.60x = 1,122,941,205.30 × 257,226,001.40
  4. Step 4: Simplify right side
    748,577,444.60x = 288,849,676,046,615,488
  5. Step 5: Solve for x
    x = 288,849,676,046,615,488/748,577,444.60
  6. Step 6: Final answer
    x = 385,864,786.78

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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.