Home / 70,391,729,714.94-97,142,428,066.05-38,278,970,021.16

Finding the Fourth Proportional to 70,391,729,714.94, 97,142,428,066.05 and 38,278,970,021.16

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Solution

The fourth proportional to 70,391,729,714.94, 97,142,428,066.05 and 38,278,970,021.16 is: 52,825,979,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,391,729,714.94 : 97,142,428,066.05 = 38,278,970,021.16 : x
  2. Step 2: Convert to fraction form
    70,391,729,714.94/97,142,428,066.05 = 38,278,970,021.16/x
  3. Step 3: Cross multiply
    70,391,729,714.94x = 97,142,428,066.05 × 38,278,970,021.16
  4. Step 4: Simplify right side
    70,391,729,714.94x = 3,718,512,091,723,020,107,776
  5. Step 5: Solve for x
    x = 3,718,512,091,723,020,107,776/70,391,729,714.94
  6. Step 6: Final answer
    x = 52,825,979,795.94

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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.