Home / 894,194,150.42-1,233,987,986.92-497,708,631.20

Finding the Fourth Proportional to 894,194,150.42, 1,233,987,986.92 and 497,708,631.20

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Solution

The fourth proportional to 894,194,150.42, 1,233,987,986.92 and 497,708,631.20 is: 686,837,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,194,150.42 : 1,233,987,986.92 = 497,708,631.20 : x
  2. Step 2: Convert to fraction form
    894,194,150.42/1,233,987,986.92 = 497,708,631.20/x
  3. Step 3: Cross multiply
    894,194,150.42x = 1,233,987,986.92 × 497,708,631.20
  4. Step 4: Simplify right side
    894,194,150.42x = 614,166,471,887,196,672
  5. Step 5: Solve for x
    x = 614,166,471,887,196,672/894,194,150.42
  6. Step 6: Final answer
    x = 686,837,944.08

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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.