Home / 391,154,200,280.20-586,730,568,081.30-122,563,742,316.40

Finding the Fourth Proportional to 391,154,200,280.20, 586,730,568,081.30 and 122,563,742,316.40

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Solution

The fourth proportional to 391,154,200,280.20, 586,730,568,081.30 and 122,563,742,316.40 is: 183,845,384,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,154,200,280.20 : 586,730,568,081.30 = 122,563,742,316.40 : x
  2. Step 2: Convert to fraction form
    391,154,200,280.20/586,730,568,081.30 = 122,563,742,316.40/x
  3. Step 3: Cross multiply
    391,154,200,280.20x = 586,730,568,081.30 × 122,563,742,316.40
  4. Step 4: Simplify right side
    391,154,200,280.20x = 71,911,894,155,471,441,887,232
  5. Step 5: Solve for x
    x = 71,911,894,155,471,441,887,232/391,154,200,280.20
  6. Step 6: Final answer
    x = 183,845,384,004.46

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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.