Home / 390,986,271,867.36-586,162,918,445.85-122,236,916,065.14

Finding the Fourth Proportional to 390,986,271,867.36, 586,162,918,445.85 and 122,236,916,065.14

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Solution

The fourth proportional to 390,986,271,867.36, 586,162,918,445.85 and 122,236,916,065.14 is: 183,256,427,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,986,271,867.36 : 586,162,918,445.85 = 122,236,916,065.14 : x
  2. Step 2: Convert to fraction form
    390,986,271,867.36/586,162,918,445.85 = 122,236,916,065.14/x
  3. Step 3: Cross multiply
    390,986,271,867.36x = 586,162,918,445.85 × 122,236,916,065.14
  4. Step 4: Simplify right side
    390,986,271,867.36x = 71,650,747,462,562,869,149,696
  5. Step 5: Solve for x
    x = 71,650,747,462,562,869,149,696/390,986,271,867.36
  6. Step 6: Final answer
    x = 183,256,427,701.05

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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.