Home / 850,147,002.46-1,173,155,427.30-468,656,729.20

Finding the Fourth Proportional to 850,147,002.46, 1,173,155,427.30 and 468,656,729.20

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Solution

The fourth proportional to 850,147,002.46, 1,173,155,427.30 and 468,656,729.20 is: 646,720,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,147,002.46 : 1,173,155,427.30 = 468,656,729.20 : x
  2. Step 2: Convert to fraction form
    850,147,002.46/1,173,155,427.30 = 468,656,729.20/x
  3. Step 3: Cross multiply
    850,147,002.46x = 1,173,155,427.30 × 468,656,729.20
  4. Step 4: Simplify right side
    850,147,002.46x = 549,807,185,401,646,336
  5. Step 5: Solve for x
    x = 549,807,185,401,646,336/850,147,002.46
  6. Step 6: Final answer
    x = 646,720,136.41

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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.