Home / 860,150,432.64-1,290,221,966.52-238,363,888.56

Finding the Fourth Proportional to 860,150,432.64, 1,290,221,966.52 and 238,363,888.56

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Solution

The fourth proportional to 860,150,432.64, 1,290,221,966.52 and 238,363,888.56 is: 357,544,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,150,432.64 : 1,290,221,966.52 = 238,363,888.56 : x
  2. Step 2: Convert to fraction form
    860,150,432.64/1,290,221,966.52 = 238,363,888.56/x
  3. Step 3: Cross multiply
    860,150,432.64x = 1,290,221,966.52 × 238,363,888.56
  4. Step 4: Simplify right side
    860,150,432.64x = 307,542,325,045,237,312
  5. Step 5: Solve for x
    x = 307,542,325,045,237,312/860,150,432.64
  6. Step 6: Final answer
    x = 357,544,812.37

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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.