Home / 485,799,102,477.88-670,423,835,034.56-269,025,297,019.40

Finding the Fourth Proportional to 485,799,102,477.88, 670,423,835,034.56 and 269,025,297,019.40

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Solution

The fourth proportional to 485,799,102,477.88, 670,423,835,034.56 and 269,025,297,019.40 is: 371,266,580,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,799,102,477.88 : 670,423,835,034.56 = 269,025,297,019.40 : x
  2. Step 2: Convert to fraction form
    485,799,102,477.88/670,423,835,034.56 = 269,025,297,019.40/x
  3. Step 3: Cross multiply
    485,799,102,477.88x = 670,423,835,034.56 × 269,025,297,019.40
  4. Step 4: Simplify right side
    485,799,102,477.88x = 180,360,971,349,057,729,462,272
  5. Step 5: Solve for x
    x = 180,360,971,349,057,729,462,272/485,799,102,477.88
  6. Step 6: Final answer
    x = 371,266,580,010.35

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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.