Home / 698,156,995.60-1,047,151,512.60-289,170,499.60

Finding the Fourth Proportional to 698,156,995.60, 1,047,151,512.60 and 289,170,499.60

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Solution

The fourth proportional to 698,156,995.60, 1,047,151,512.60 and 289,170,499.60 is: 433,720,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,156,995.60 : 1,047,151,512.60 = 289,170,499.60 : x
  2. Step 2: Convert to fraction form
    698,156,995.60/1,047,151,512.60 = 289,170,499.60/x
  3. Step 3: Cross multiply
    698,156,995.60x = 1,047,151,512.60 × 289,170,499.60
  4. Step 4: Simplify right side
    698,156,995.60x = 302,805,326,055,437,696
  5. Step 5: Solve for x
    x = 302,805,326,055,437,696/698,156,995.60
  6. Step 6: Final answer
    x = 433,720,965.29

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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.