Home / 390,953,203.60-586,429,805.40-160,845,811.60

Finding the Fourth Proportional to 390,953,203.60, 586,429,805.40 and 160,845,811.60

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Solution

The fourth proportional to 390,953,203.60, 586,429,805.40 and 160,845,811.60 is: 241,268,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,953,203.60 : 586,429,805.40 = 160,845,811.60 : x
  2. Step 2: Convert to fraction form
    390,953,203.60/586,429,805.40 = 160,845,811.60/x
  3. Step 3: Cross multiply
    390,953,203.60x = 586,429,805.40 × 160,845,811.60
  4. Step 4: Simplify right side
    390,953,203.60x = 94,324,777,995,993,056
  5. Step 5: Solve for x
    x = 94,324,777,995,993,056/390,953,203.60
  6. Step 6: Final answer
    x = 241,268,717.40

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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.