Home / 552,116,971.40-827,472,117.90-293,456,107.40

Finding the Fourth Proportional to 552,116,971.40, 827,472,117.90 and 293,456,107.40

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Solution

The fourth proportional to 552,116,971.40, 827,472,117.90 and 293,456,107.40 is: 439,810,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,116,971.40 : 827,472,117.90 = 293,456,107.40 : x
  2. Step 2: Convert to fraction form
    552,116,971.40/827,472,117.90 = 293,456,107.40/x
  3. Step 3: Cross multiply
    552,116,971.40x = 827,472,117.90 × 293,456,107.40
  4. Step 4: Simplify right side
    552,116,971.40x = 242,826,746,700,967,840
  5. Step 5: Solve for x
    x = 242,826,746,700,967,840/552,116,971.40
  6. Step 6: Final answer
    x = 439,810,328.75

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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.