Home / 627,042,994.83-864,516,058.02-513,594,549.21

Finding the Fourth Proportional to 627,042,994.83, 864,516,058.02 and 513,594,549.21

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Solution

The fourth proportional to 627,042,994.83, 864,516,058.02 and 513,594,549.21 is: 708,102,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,042,994.83 : 864,516,058.02 = 513,594,549.21 : x
  2. Step 2: Convert to fraction form
    627,042,994.83/864,516,058.02 = 513,594,549.21/x
  3. Step 3: Cross multiply
    627,042,994.83x = 864,516,058.02 × 513,594,549.21
  4. Step 4: Simplify right side
    627,042,994.83x = 444,010,735,103,588,096
  5. Step 5: Solve for x
    x = 444,010,735,103,588,096/627,042,994.83
  6. Step 6: Final answer
    x = 708,102,536.45

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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.