Home / 827,457,445.20-1,241,186,167.80-282,216,766.80

Finding the Fourth Proportional to 827,457,445.20, 1,241,186,167.80 and 282,216,766.80

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Solution

The fourth proportional to 827,457,445.20, 1,241,186,167.80 and 282,216,766.80 is: 423,325,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,457,445.20 : 1,241,186,167.80 = 282,216,766.80 : x
  2. Step 2: Convert to fraction form
    827,457,445.20/1,241,186,167.80 = 282,216,766.80/x
  3. Step 3: Cross multiply
    827,457,445.20x = 1,241,186,167.80 × 282,216,766.80
  4. Step 4: Simplify right side
    827,457,445.20x = 350,283,547,273,398,272
  5. Step 5: Solve for x
    x = 350,283,547,273,398,272/827,457,445.20
  6. Step 6: Final answer
    x = 423,325,150.20

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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.