Home / 550,851,214.80-826,276,822.20-519,283,619.40

Finding the Fourth Proportional to 550,851,214.80, 826,276,822.20 and 519,283,619.40

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Solution

The fourth proportional to 550,851,214.80, 826,276,822.20 and 519,283,619.40 is: 778,925,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,851,214.80 : 826,276,822.20 = 519,283,619.40 : x
  2. Step 2: Convert to fraction form
    550,851,214.80/826,276,822.20 = 519,283,619.40/x
  3. Step 3: Cross multiply
    550,851,214.80x = 826,276,822.20 × 519,283,619.40
  4. Step 4: Simplify right side
    550,851,214.80x = 429,072,018,858,346,304
  5. Step 5: Solve for x
    x = 429,072,018,858,346,304/550,851,214.80
  6. Step 6: Final answer
    x = 778,925,429.10

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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.