Home / 1,009,423,003.70-1,514,276,223.15-319,258,291.70

Finding the Fourth Proportional to 1,009,423,003.70, 1,514,276,223.15 and 319,258,291.70

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Solution

The fourth proportional to 1,009,423,003.70, 1,514,276,223.15 and 319,258,291.70 is: 478,932,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,423,003.70 : 1,514,276,223.15 = 319,258,291.70 : x
  2. Step 2: Convert to fraction form
    1,009,423,003.70/1,514,276,223.15 = 319,258,291.70/x
  3. Step 3: Cross multiply
    1,009,423,003.70x = 1,514,276,223.15 × 319,258,291.70
  4. Step 4: Simplify right side
    1,009,423,003.70x = 483,445,240,164,796,992
  5. Step 5: Solve for x
    x = 483,445,240,164,796,992/1,009,423,003.70
  6. Step 6: Final answer
    x = 478,932,259.71

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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.