Home / 526,521,203.40-789,781,805.10-268,240,877.40

Finding the Fourth Proportional to 526,521,203.40, 789,781,805.10 and 268,240,877.40

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Solution

The fourth proportional to 526,521,203.40, 789,781,805.10 and 268,240,877.40 is: 402,361,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,521,203.40 : 789,781,805.10 = 268,240,877.40 : x
  2. Step 2: Convert to fraction form
    526,521,203.40/789,781,805.10 = 268,240,877.40/x
  3. Step 3: Cross multiply
    526,521,203.40x = 789,781,805.10 × 268,240,877.40
  4. Step 4: Simplify right side
    526,521,203.40x = 211,851,764,354,579,808
  5. Step 5: Solve for x
    x = 211,851,764,354,579,808/526,521,203.40
  6. Step 6: Final answer
    x = 402,361,316.10

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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.