Home / 935,672,146.38-1,291,176,406.89-512,203,887.18

Finding the Fourth Proportional to 935,672,146.38, 1,291,176,406.89 and 512,203,887.18

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Solution

The fourth proportional to 935,672,146.38, 1,291,176,406.89 and 512,203,887.18 is: 706,813,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,672,146.38 : 1,291,176,406.89 = 512,203,887.18 : x
  2. Step 2: Convert to fraction form
    935,672,146.38/1,291,176,406.89 = 512,203,887.18/x
  3. Step 3: Cross multiply
    935,672,146.38x = 1,291,176,406.89 × 512,203,887.18
  4. Step 4: Simplify right side
    935,672,146.38x = 661,345,574,644,163,456
  5. Step 5: Solve for x
    x = 661,345,574,644,163,456/935,672,146.38
  6. Step 6: Final answer
    x = 706,813,361.07

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Double scale
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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.