Home / 672,026,125.10-1,008,039,187.65-631,211,456.30

Finding the Fourth Proportional to 672,026,125.10, 1,008,039,187.65 and 631,211,456.30

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Solution

The fourth proportional to 672,026,125.10, 1,008,039,187.65 and 631,211,456.30 is: 946,817,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,026,125.10 : 1,008,039,187.65 = 631,211,456.30 : x
  2. Step 2: Convert to fraction form
    672,026,125.10/1,008,039,187.65 = 631,211,456.30/x
  3. Step 3: Cross multiply
    672,026,125.10x = 1,008,039,187.65 × 631,211,456.30
  4. Step 4: Simplify right side
    672,026,125.10x = 636,285,883,644,025,472
  5. Step 5: Solve for x
    x = 636,285,883,644,025,472/672,026,125.10
  6. Step 6: Final answer
    x = 946,817,184.45

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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.