Home / 987,098,766.03-1,480,648,059.16-434,401,194.22

Finding the Fourth Proportional to 987,098,766.03, 1,480,648,059.16 and 434,401,194.22

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Solution

The fourth proportional to 987,098,766.03, 1,480,648,059.16 and 434,401,194.22 is: 651,601,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,098,766.03 : 1,480,648,059.16 = 434,401,194.22 : x
  2. Step 2: Convert to fraction form
    987,098,766.03/1,480,648,059.16 = 434,401,194.22/x
  3. Step 3: Cross multiply
    987,098,766.03x = 1,480,648,059.16 × 434,401,194.22
  4. Step 4: Simplify right side
    987,098,766.03x = 643,195,285,113,841,536
  5. Step 5: Solve for x
    x = 643,195,285,113,841,536/987,098,766.03
  6. Step 6: Final answer
    x = 651,601,751.77

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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.