Home / 266,874,966.60-399,528,629.10-199,018,480.20

Finding the Fourth Proportional to 266,874,966.60, 399,528,629.10 and 199,018,480.20

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Solution

The fourth proportional to 266,874,966.60, 399,528,629.10 and 199,018,480.20 is: 297,943,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,874,966.60 : 399,528,629.10 = 199,018,480.20 : x
  2. Step 2: Convert to fraction form
    266,874,966.60/399,528,629.10 = 199,018,480.20/x
  3. Step 3: Cross multiply
    266,874,966.60x = 399,528,629.10 × 199,018,480.20
  4. Step 4: Simplify right side
    266,874,966.60x = 79,513,580,559,871,488
  5. Step 5: Solve for x
    x = 79,513,580,559,871,488/266,874,966.60
  6. Step 6: Final answer
    x = 297,943,196.29

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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.