Home / 1,277,208,133.60-1,915,812,200.40-731,500,895.20

Finding the Fourth Proportional to 1,277,208,133.60, 1,915,812,200.40 and 731,500,895.20

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Solution

The fourth proportional to 1,277,208,133.60, 1,915,812,200.40 and 731,500,895.20 is: 1,097,251,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,208,133.60 : 1,915,812,200.40 = 731,500,895.20 : x
  2. Step 2: Convert to fraction form
    1,277,208,133.60/1,915,812,200.40 = 731,500,895.20/x
  3. Step 3: Cross multiply
    1,277,208,133.60x = 1,915,812,200.40 × 731,500,895.20
  4. Step 4: Simplify right side
    1,277,208,133.60x = 1,401,418,339,627,682,048
  5. Step 5: Solve for x
    x = 1,401,418,339,627,682,048/1,277,208,133.60
  6. Step 6: Final answer
    x = 1,097,251,342.80

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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.