Home / 390,986,265,062.60-586,162,908,254.42-122,236,909,254.20

Finding the Fourth Proportional to 390,986,265,062.60, 586,162,908,254.42 and 122,236,909,254.20

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Solution

The fourth proportional to 390,986,265,062.60, 586,162,908,254.42 and 122,236,909,254.20 is: 183,256,417,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,986,265,062.60 : 586,162,908,254.42 = 122,236,909,254.20 : x
  2. Step 2: Convert to fraction form
    390,986,265,062.60/586,162,908,254.42 = 122,236,909,254.20/x
  3. Step 3: Cross multiply
    390,986,265,062.60x = 586,162,908,254.42 × 122,236,909,254.20
  4. Step 4: Simplify right side
    390,986,265,062.60x = 71,650,742,224,473,502,515,200
  5. Step 5: Solve for x
    x = 71,650,742,224,473,502,515,200/390,986,265,062.60
  6. Step 6: Final answer
    x = 183,256,417,493.34

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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.