Home / 539,009,750.10-808,514,625.15-193,838,820.60

Finding the Fourth Proportional to 539,009,750.10, 808,514,625.15 and 193,838,820.60

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Solution

The fourth proportional to 539,009,750.10, 808,514,625.15 and 193,838,820.60 is: 290,758,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,750.10 : 808,514,625.15 = 193,838,820.60 : x
  2. Step 2: Convert to fraction form
    539,009,750.10/808,514,625.15 = 193,838,820.60/x
  3. Step 3: Cross multiply
    539,009,750.10x = 808,514,625.15 × 193,838,820.60
  4. Step 4: Simplify right side
    539,009,750.10x = 156,721,521,376,927,104
  5. Step 5: Solve for x
    x = 156,721,521,376,927,104/539,009,750.10
  6. Step 6: Final answer
    x = 290,758,230.90

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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.