Home / 391,154,200,252.10-586,730,568,039.40-122,563,742,288.31

Finding the Fourth Proportional to 391,154,200,252.10, 586,730,568,039.40 and 122,563,742,288.31

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Solution

The fourth proportional to 391,154,200,252.10, 586,730,568,039.40 and 122,563,742,288.31 is: 183,845,383,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,154,200,252.10 : 586,730,568,039.40 = 122,563,742,288.31 : x
  2. Step 2: Convert to fraction form
    391,154,200,252.10/586,730,568,039.40 = 122,563,742,288.31/x
  3. Step 3: Cross multiply
    391,154,200,252.10x = 586,730,568,039.40 × 122,563,742,288.31
  4. Step 4: Simplify right side
    391,154,200,252.10x = 71,911,894,133,854,762,434,560
  5. Step 5: Solve for x
    x = 71,911,894,133,854,762,434,560/391,154,200,252.10
  6. Step 6: Final answer
    x = 183,845,383,962.41

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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.