Home / 37,235,666,333.79-51,386,304,721.19-20,320,403,429.16

Finding the Fourth Proportional to 37,235,666,333.79, 51,386,304,721.19 and 20,320,403,429.16

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Solution

The fourth proportional to 37,235,666,333.79, 51,386,304,721.19 and 20,320,403,429.16 is: 28,042,748,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,235,666,333.79 : 51,386,304,721.19 = 20,320,403,429.16 : x
  2. Step 2: Convert to fraction form
    37,235,666,333.79/51,386,304,721.19 = 20,320,403,429.16/x
  3. Step 3: Cross multiply
    37,235,666,333.79x = 51,386,304,721.19 × 20,320,403,429.16
  4. Step 4: Simplify right side
    37,235,666,333.79x = 1,044,190,442,668,228,345,856
  5. Step 5: Solve for x
    x = 1,044,190,442,668,228,345,856/37,235,666,333.79
  6. Step 6: Final answer
    x = 28,042,748,941.51

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1.5x scale

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.