Home / 1,281,974,440.80-1,924,977,200.40-737,778,856.80

Finding the Fourth Proportional to 1,281,974,440.80, 1,924,977,200.40 and 737,778,856.80

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Solution

The fourth proportional to 1,281,974,440.80, 1,924,977,200.40 and 737,778,856.80 is: 1,107,828,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,974,440.80 : 1,924,977,200.40 = 737,778,856.80 : x
  2. Step 2: Convert to fraction form
    1,281,974,440.80/1,924,977,200.40 = 737,778,856.80/x
  3. Step 3: Cross multiply
    1,281,974,440.80x = 1,924,977,200.40 × 737,778,856.80
  4. Step 4: Simplify right side
    1,281,974,440.80x = 1,420,207,478,277,176,576
  5. Step 5: Solve for x
    x = 1,420,207,478,277,176,576/1,281,974,440.80
  6. Step 6: Final answer
    x = 1,107,828,232.04

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Double scale
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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.