Home / 1,009,833,422.90-1,514,750,134.35-465,637,838.90

Finding the Fourth Proportional to 1,009,833,422.90, 1,514,750,134.35 and 465,637,838.90

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Solution

The fourth proportional to 1,009,833,422.90, 1,514,750,134.35 and 465,637,838.90 is: 698,456,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,833,422.90 : 1,514,750,134.35 = 465,637,838.90 : x
  2. Step 2: Convert to fraction form
    1,009,833,422.90/1,514,750,134.35 = 465,637,838.90/x
  3. Step 3: Cross multiply
    1,009,833,422.90x = 1,514,750,134.35 × 465,637,838.90
  4. Step 4: Simplify right side
    1,009,833,422.90x = 705,324,979,032,218,624
  5. Step 5: Solve for x
    x = 705,324,979,032,218,624/1,009,833,422.90
  6. Step 6: Final answer
    x = 698,456,758.35

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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.