Home / 332,121,749.10-497,989,885.81-157,243,314.95

Finding the Fourth Proportional to 332,121,749.10, 497,989,885.81 and 157,243,314.95

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Solution

The fourth proportional to 332,121,749.10, 497,989,885.81 and 157,243,314.95 is: 235,773,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,121,749.10 : 497,989,885.81 = 157,243,314.95 : x
  2. Step 2: Convert to fraction form
    332,121,749.10/497,989,885.81 = 157,243,314.95/x
  3. Step 3: Cross multiply
    332,121,749.10x = 497,989,885.81 × 157,243,314.95
  4. Step 4: Simplify right side
    332,121,749.10x = 78,305,580,453,748,928
  5. Step 5: Solve for x
    x = 78,305,580,453,748,928/332,121,749.10
  6. Step 6: Final answer
    x = 235,773,720.53

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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.