Home / 577,818,840.69-866,218,072.14-442,110,066.93

Finding the Fourth Proportional to 577,818,840.69, 866,218,072.14 and 442,110,066.93

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Solution

The fourth proportional to 577,818,840.69, 866,218,072.14 and 442,110,066.93 is: 662,774,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,818,840.69 : 866,218,072.14 = 442,110,066.93 : x
  2. Step 2: Convert to fraction form
    577,818,840.69/866,218,072.14 = 442,110,066.93/x
  3. Step 3: Cross multiply
    577,818,840.69x = 866,218,072.14 × 442,110,066.93
  4. Step 4: Simplify right side
    577,818,840.69x = 382,963,729,849,790,976
  5. Step 5: Solve for x
    x = 382,963,729,849,790,976/577,818,840.69
  6. Step 6: Final answer
    x = 662,774,736.44

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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.