Home / 391,140,582,213.60-586,710,873,320.40-111,968,247,621.60

Finding the Fourth Proportional to 391,140,582,213.60, 586,710,873,320.40 and 111,968,247,621.60

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Solution

The fourth proportional to 391,140,582,213.60, 586,710,873,320.40 and 111,968,247,621.60 is: 167,952,371,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,582,213.60 : 586,710,873,320.40 = 111,968,247,621.60 : x
  2. Step 2: Convert to fraction form
    391,140,582,213.60/586,710,873,320.40 = 111,968,247,621.60/x
  3. Step 3: Cross multiply
    391,140,582,213.60x = 586,710,873,320.40 × 111,968,247,621.60
  4. Step 4: Simplify right side
    391,140,582,213.60x = 65,692,988,346,223,739,011,072
  5. Step 5: Solve for x
    x = 65,692,988,346,223,739,011,072/391,140,582,213.60
  6. Step 6: Final answer
    x = 167,952,371,432.40

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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.