Home / 585,666,874.63-807,484,911.69-428,761,577.80

Finding the Fourth Proportional to 585,666,874.63, 807,484,911.69 and 428,761,577.80

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Solution

The fourth proportional to 585,666,874.63, 807,484,911.69 and 428,761,577.80 is: 591,152,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,666,874.63 : 807,484,911.69 = 428,761,577.80 : x
  2. Step 2: Convert to fraction form
    585,666,874.63/807,484,911.69 = 428,761,577.80/x
  3. Step 3: Cross multiply
    585,666,874.63x = 807,484,911.69 × 428,761,577.80
  4. Step 4: Simplify right side
    585,666,874.63x = 346,218,504,785,898,112
  5. Step 5: Solve for x
    x = 346,218,504,785,898,112/585,666,874.63
  6. Step 6: Final answer
    x = 591,152,615.56

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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.