Home / 38,953,044,314.61-53,750,666,181.69-21,806,836,495.53

Finding the Fourth Proportional to 38,953,044,314.61, 53,750,666,181.69 and 21,806,836,495.53

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Solution

The fourth proportional to 38,953,044,314.61, 53,750,666,181.69 and 21,806,836,495.53 is: 30,090,895,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953,044,314.61 : 53,750,666,181.69 = 21,806,836,495.53 : x
  2. Step 2: Convert to fraction form
    38,953,044,314.61/53,750,666,181.69 = 21,806,836,495.53/x
  3. Step 3: Cross multiply
    38,953,044,314.61x = 53,750,666,181.69 × 21,806,836,495.53
  4. Step 4: Simplify right side
    38,953,044,314.61x = 1,172,131,988,949,927,591,936
  5. Step 5: Solve for x
    x = 1,172,131,988,949,927,591,936/38,953,044,314.61
  6. Step 6: Final answer
    x = 30,090,895,578.87

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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.