Home / 527,832,386.40-791,947,645.20-255,444,290.40

Finding the Fourth Proportional to 527,832,386.40, 791,947,645.20 and 255,444,290.40

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Solution

The fourth proportional to 527,832,386.40, 791,947,645.20 and 255,444,290.40 is: 383,262,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,832,386.40 : 791,947,645.20 = 255,444,290.40 : x
  2. Step 2: Convert to fraction form
    527,832,386.40/791,947,645.20 = 255,444,290.40/x
  3. Step 3: Cross multiply
    527,832,386.40x = 791,947,645.20 × 255,444,290.40
  4. Step 4: Simplify right side
    527,832,386.40x = 202,298,504,262,064,992
  5. Step 5: Solve for x
    x = 202,298,504,262,064,992/527,832,386.40
  6. Step 6: Final answer
    x = 383,262,773.32

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1.5x scale

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.