Home / 357,353,722.40-536,030,583.60-127,582,253.60

Finding the Fourth Proportional to 357,353,722.40, 536,030,583.60 and 127,582,253.60

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Solution

The fourth proportional to 357,353,722.40, 536,030,583.60 and 127,582,253.60 is: 191,373,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,353,722.40 : 536,030,583.60 = 127,582,253.60 : x
  2. Step 2: Convert to fraction form
    357,353,722.40/536,030,583.60 = 127,582,253.60/x
  3. Step 3: Cross multiply
    357,353,722.40x = 536,030,583.60 × 127,582,253.60
  4. Step 4: Simplify right side
    357,353,722.40x = 68,387,989,854,211,200
  5. Step 5: Solve for x
    x = 68,387,989,854,211,200/357,353,722.40
  6. Step 6: Final answer
    x = 191,373,380.40

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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.