Home / 531,078,900,046.92-732,891,090,167.40-287,208,368,895.96

Finding the Fourth Proportional to 531,078,900,046.92, 732,891,090,167.40 and 287,208,368,895.96

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Solution

The fourth proportional to 531,078,900,046.92, 732,891,090,167.40 and 287,208,368,895.96 is: 396,348,743,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,078,900,046.92 : 732,891,090,167.40 = 287,208,368,895.96 : x
  2. Step 2: Convert to fraction form
    531,078,900,046.92/732,891,090,167.40 = 287,208,368,895.96/x
  3. Step 3: Cross multiply
    531,078,900,046.92x = 732,891,090,167.40 × 287,208,368,895.96
  4. Step 4: Simplify right side
    531,078,900,046.92x = 210,492,454,585,360,933,978,112
  5. Step 5: Solve for x
    x = 210,492,454,585,360,933,978,112/531,078,900,046.92
  6. Step 6: Final answer
    x = 396,348,743,222.08

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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.