Home / 542,245,123.32-748,658,629.08-416,573,498.76

Finding the Fourth Proportional to 542,245,123.32, 748,658,629.08 and 416,573,498.76

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Solution

The fourth proportional to 542,245,123.32, 748,658,629.08 and 416,573,498.76 is: 575,148,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,245,123.32 : 748,658,629.08 = 416,573,498.76 : x
  2. Step 2: Convert to fraction form
    542,245,123.32/748,658,629.08 = 416,573,498.76/x
  3. Step 3: Cross multiply
    542,245,123.32x = 748,658,629.08 × 416,573,498.76
  4. Step 4: Simplify right side
    542,245,123.32x = 311,871,344,492,720,704
  5. Step 5: Solve for x
    x = 311,871,344,492,720,704/542,245,123.32
  6. Step 6: Final answer
    x = 575,148,269.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.