Home / 819,634,429.74-1,130,914,274.30-502,161,753.18

Finding the Fourth Proportional to 819,634,429.74, 1,130,914,274.30 and 502,161,753.18

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Solution

The fourth proportional to 819,634,429.74, 1,130,914,274.30 and 502,161,753.18 is: 692,872,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,634,429.74 : 1,130,914,274.30 = 502,161,753.18 : x
  2. Step 2: Convert to fraction form
    819,634,429.74/1,130,914,274.30 = 502,161,753.18/x
  3. Step 3: Cross multiply
    819,634,429.74x = 1,130,914,274.30 × 502,161,753.18
  4. Step 4: Simplify right side
    819,634,429.74x = 567,901,894,678,775,424
  5. Step 5: Solve for x
    x = 567,901,894,678,775,424/819,634,429.74
  6. Step 6: Final answer
    x = 692,872,180.66

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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.