Home / 577,818,842.19-866,218,074.39-442,110,068.43

Finding the Fourth Proportional to 577,818,842.19, 866,218,074.39 and 442,110,068.43

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Solution

The fourth proportional to 577,818,842.19, 866,218,074.39 and 442,110,068.43 is: 662,774,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,818,842.19 : 866,218,074.39 = 442,110,068.43 : x
  2. Step 2: Convert to fraction form
    577,818,842.19/866,218,074.39 = 442,110,068.43/x
  3. Step 3: Cross multiply
    577,818,842.19x = 866,218,074.39 × 442,110,068.43
  4. Step 4: Simplify right side
    577,818,842.19x = 382,963,732,143,865,728
  5. Step 5: Solve for x
    x = 382,963,732,143,865,728/577,818,842.19
  6. Step 6: Final answer
    x = 662,774,738.69

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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.