Home / 539,009,718.60-808,514,577.90-193,838,789.10

Finding the Fourth Proportional to 539,009,718.60, 808,514,577.90 and 193,838,789.10

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Solution

The fourth proportional to 539,009,718.60, 808,514,577.90 and 193,838,789.10 is: 290,758,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,718.60 : 808,514,577.90 = 193,838,789.10 : x
  2. Step 2: Convert to fraction form
    539,009,718.60/808,514,577.90 = 193,838,789.10/x
  3. Step 3: Cross multiply
    539,009,718.60x = 808,514,577.90 × 193,838,789.10
  4. Step 4: Simplify right side
    539,009,718.60x = 156,721,486,749,833,600
  5. Step 5: Solve for x
    x = 156,721,486,749,833,600/539,009,718.60
  6. Step 6: Final answer
    x = 290,758,183.65

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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.