Home / 657,707,454.66-907,520,929.08-375,320,964.90

Finding the Fourth Proportional to 657,707,454.66, 907,520,929.08 and 375,320,964.90

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Solution

The fourth proportional to 657,707,454.66, 907,520,929.08 and 375,320,964.90 is: 517,877,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,707,454.66 : 907,520,929.08 = 375,320,964.90 : x
  2. Step 2: Convert to fraction form
    657,707,454.66/907,520,929.08 = 375,320,964.90/x
  3. Step 3: Cross multiply
    657,707,454.66x = 907,520,929.08 × 375,320,964.90
  4. Step 4: Simplify right side
    657,707,454.66x = 340,611,630,769,250,048
  5. Step 5: Solve for x
    x = 340,611,630,769,250,048/657,707,454.66
  6. Step 6: Final answer
    x = 517,877,102.28

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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.