Home / 314,155,008.40-471,232,512.60-98,744,256.40

Finding the Fourth Proportional to 314,155,008.40, 471,232,512.60 and 98,744,256.40

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Solution

The fourth proportional to 314,155,008.40, 471,232,512.60 and 98,744,256.40 is: 148,116,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,155,008.40 : 471,232,512.60 = 98,744,256.40 : x
  2. Step 2: Convert to fraction form
    314,155,008.40/471,232,512.60 = 98,744,256.40/x
  3. Step 3: Cross multiply
    314,155,008.40x = 471,232,512.60 × 98,744,256.40
  4. Step 4: Simplify right side
    314,155,008.40x = 46,531,504,048,190,632
  5. Step 5: Solve for x
    x = 46,531,504,048,190,632/314,155,008.40
  6. Step 6: Final answer
    x = 148,116,384.60

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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.