Home / 772,193,388.45-1,157,853,869.02-706,305,374.90

Finding the Fourth Proportional to 772,193,388.45, 1,157,853,869.02 and 706,305,374.90

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Solution

The fourth proportional to 772,193,388.45, 1,157,853,869.02 and 706,305,374.90 is: 1,059,059,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,193,388.45 : 1,157,853,869.02 = 706,305,374.90 : x
  2. Step 2: Convert to fraction form
    772,193,388.45/1,157,853,869.02 = 706,305,374.90/x
  3. Step 3: Cross multiply
    772,193,388.45x = 1,157,853,869.02 × 706,305,374.90
  4. Step 4: Simplify right side
    772,193,388.45x = 817,798,411,037,586,560
  5. Step 5: Solve for x
    x = 817,798,411,037,586,560/772,193,388.45
  6. Step 6: Final answer
    x = 1,059,059,068.97

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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.