Home / 910,332,050.32-1,256,262,187.92-492,644,372.32

Finding the Fourth Proportional to 910,332,050.32, 1,256,262,187.92 and 492,644,372.32

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Solution

The fourth proportional to 910,332,050.32, 1,256,262,187.92 and 492,644,372.32 is: 679,851,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,332,050.32 : 1,256,262,187.92 = 492,644,372.32 : x
  2. Step 2: Convert to fraction form
    910,332,050.32/1,256,262,187.92 = 492,644,372.32/x
  3. Step 3: Cross multiply
    910,332,050.32x = 1,256,262,187.92 × 492,644,372.32
  4. Step 4: Simplify right side
    910,332,050.32x = 618,890,497,037,198,336
  5. Step 5: Solve for x
    x = 618,890,497,037,198,336/910,332,050.32
  6. Step 6: Final answer
    x = 679,851,376.01

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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.