Home / 173,840,989,978.60-260,761,484,967.90-123,339,639,783.40

Finding the Fourth Proportional to 173,840,989,978.60, 260,761,484,967.90 and 123,339,639,783.40

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Solution

The fourth proportional to 173,840,989,978.60, 260,761,484,967.90 and 123,339,639,783.40 is: 185,009,459,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840,989,978.60 : 260,761,484,967.90 = 123,339,639,783.40 : x
  2. Step 2: Convert to fraction form
    173,840,989,978.60/260,761,484,967.90 = 123,339,639,783.40/x
  3. Step 3: Cross multiply
    173,840,989,978.60x = 260,761,484,967.90 × 123,339,639,783.40
  4. Step 4: Simplify right side
    173,840,989,978.60x = 32,162,227,625,325,259,390,976
  5. Step 5: Solve for x
    x = 32,162,227,625,325,259,390,976/173,840,989,978.60
  6. Step 6: Final answer
    x = 185,009,459,675.10

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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.