Home / 989,548,339.30-1,365,593,082.48-543,552,915.36

Finding the Fourth Proportional to 989,548,339.30, 1,365,593,082.48 and 543,552,915.36

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Solution

The fourth proportional to 989,548,339.30, 1,365,593,082.48 and 543,552,915.36 is: 750,112,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,548,339.30 : 1,365,593,082.48 = 543,552,915.36 : x
  2. Step 2: Convert to fraction form
    989,548,339.30/1,365,593,082.48 = 543,552,915.36/x
  3. Step 3: Cross multiply
    989,548,339.30x = 1,365,593,082.48 × 543,552,915.36
  4. Step 4: Simplify right side
    989,548,339.30x = 742,272,101,177,452,928
  5. Step 5: Solve for x
    x = 742,272,101,177,452,928/989,548,339.30
  6. Step 6: Final answer
    x = 750,112,017.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.