Home / 1,034,835,721.72-1,428,066,031.20-564,937,042.66

Finding the Fourth Proportional to 1,034,835,721.72, 1,428,066,031.20 and 564,937,042.66

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Solution

The fourth proportional to 1,034,835,721.72, 1,428,066,031.20 and 564,937,042.66 is: 779,609,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,835,721.72 : 1,428,066,031.20 = 564,937,042.66 : x
  2. Step 2: Convert to fraction form
    1,034,835,721.72/1,428,066,031.20 = 564,937,042.66/x
  3. Step 3: Cross multiply
    1,034,835,721.72x = 1,428,066,031.20 × 564,937,042.66
  4. Step 4: Simplify right side
    1,034,835,721.72x = 806,767,400,383,643,008
  5. Step 5: Solve for x
    x = 806,767,400,383,643,008/1,034,835,721.72
  6. Step 6: Final answer
    x = 779,609,152.89

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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.