Home / 1,009,604,257.90-1,514,406,386.85-319,565,517.10

Finding the Fourth Proportional to 1,009,604,257.90, 1,514,406,386.85 and 319,565,517.10

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Solution

The fourth proportional to 1,009,604,257.90, 1,514,406,386.85 and 319,565,517.10 is: 479,348,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,604,257.90 : 1,514,406,386.85 = 319,565,517.10 : x
  2. Step 2: Convert to fraction form
    1,009,604,257.90/1,514,406,386.85 = 319,565,517.10/x
  3. Step 3: Cross multiply
    1,009,604,257.90x = 1,514,406,386.85 × 319,565,517.10
  4. Step 4: Simplify right side
    1,009,604,257.90x = 483,952,060,113,262,912
  5. Step 5: Solve for x
    x = 483,952,060,113,262,912/1,009,604,257.90
  6. Step 6: Final answer
    x = 479,348,275.65

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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.