Home / 1,009,422,915.70-1,514,276,091.15-319,258,203.70

Finding the Fourth Proportional to 1,009,422,915.70, 1,514,276,091.15 and 319,258,203.70

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Solution

The fourth proportional to 1,009,422,915.70, 1,514,276,091.15 and 319,258,203.70 is: 478,932,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,422,915.70 : 1,514,276,091.15 = 319,258,203.70 : x
  2. Step 2: Convert to fraction form
    1,009,422,915.70/1,514,276,091.15 = 319,258,203.70/x
  3. Step 3: Cross multiply
    1,009,422,915.70x = 1,514,276,091.15 × 319,258,203.70
  4. Step 4: Simplify right side
    1,009,422,915.70x = 483,445,064,766,406,464
  5. Step 5: Solve for x
    x = 483,445,064,766,406,464/1,009,422,915.70
  6. Step 6: Final answer
    x = 478,932,127.70

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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.