Home / 54,492,181,908.30-81,738,272,862.45-39,798,901,140.30

Finding the Fourth Proportional to 54,492,181,908.30, 81,738,272,862.45 and 39,798,901,140.30

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Solution

The fourth proportional to 54,492,181,908.30, 81,738,272,862.45 and 39,798,901,140.30 is: 59,698,351,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492,181,908.30 : 81,738,272,862.45 = 39,798,901,140.30 : x
  2. Step 2: Convert to fraction form
    54,492,181,908.30/81,738,272,862.45 = 39,798,901,140.30/x
  3. Step 3: Cross multiply
    54,492,181,908.30x = 81,738,272,862.45 × 39,798,901,140.30
  4. Step 4: Simplify right side
    54,492,181,908.30x = 3,253,093,441,031,513,833,472
  5. Step 5: Solve for x
    x = 3,253,093,441,031,513,833,472/54,492,181,908.30
  6. Step 6: Final answer
    x = 59,698,351,710.45

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Double scale
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1.5x scale

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.