Home / 898,010,258.40-1,347,519,272.40-380,352,607.20

Finding the Fourth Proportional to 898,010,258.40, 1,347,519,272.40 and 380,352,607.20

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Solution

The fourth proportional to 898,010,258.40, 1,347,519,272.40 and 380,352,607.20 is: 570,742,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,010,258.40 : 1,347,519,272.40 = 380,352,607.20 : x
  2. Step 2: Convert to fraction form
    898,010,258.40/1,347,519,272.40 = 380,352,607.20/x
  3. Step 3: Cross multiply
    898,010,258.40x = 1,347,519,272.40 × 380,352,607.20
  4. Step 4: Simplify right side
    898,010,258.40x = 512,532,468,509,587,008
  5. Step 5: Solve for x
    x = 512,532,468,509,587,008/898,010,258.40
  6. Step 6: Final answer
    x = 570,742,331.41

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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.