Home / 1,010,919,232.60-1,516,525,815.30-428,652,352.60

Finding the Fourth Proportional to 1,010,919,232.60, 1,516,525,815.30 and 428,652,352.60

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Solution

The fourth proportional to 1,010,919,232.60, 1,516,525,815.30 and 428,652,352.60 is: 643,040,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,919,232.60 : 1,516,525,815.30 = 428,652,352.60 : x
  2. Step 2: Convert to fraction form
    1,010,919,232.60/1,516,525,815.30 = 428,652,352.60/x
  3. Step 3: Cross multiply
    1,010,919,232.60x = 1,516,525,815.30 × 428,652,352.60
  4. Step 4: Simplify right side
    1,010,919,232.60x = 650,062,358,506,978,048
  5. Step 5: Solve for x
    x = 650,062,358,506,978,048/1,010,919,232.60
  6. Step 6: Final answer
    x = 643,040,845.94

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1.5x scale

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.