Home / 1,055,131,208.40-1,581,959,532.60-624,087,829.20

Finding the Fourth Proportional to 1,055,131,208.40, 1,581,959,532.60 and 624,087,829.20

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Solution

The fourth proportional to 1,055,131,208.40, 1,581,959,532.60 and 624,087,829.20 is: 935,695,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,131,208.40 : 1,581,959,532.60 = 624,087,829.20 : x
  2. Step 2: Convert to fraction form
    1,055,131,208.40/1,581,959,532.60 = 624,087,829.20/x
  3. Step 3: Cross multiply
    1,055,131,208.40x = 1,581,959,532.60 × 624,087,829.20
  4. Step 4: Simplify right side
    1,055,131,208.40x = 987,281,690,582,580,608
  5. Step 5: Solve for x
    x = 987,281,690,582,580,608/1,055,131,208.40
  6. Step 6: Final answer
    x = 935,695,658.25

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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.