Home / 1,207,224,465.60-1,810,836,698.40-816,934,195.20

Finding the Fourth Proportional to 1,207,224,465.60, 1,810,836,698.40 and 816,934,195.20

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Solution

The fourth proportional to 1,207,224,465.60, 1,810,836,698.40 and 816,934,195.20 is: 1,225,401,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,224,465.60 : 1,810,836,698.40 = 816,934,195.20 : x
  2. Step 2: Convert to fraction form
    1,207,224,465.60/1,810,836,698.40 = 816,934,195.20/x
  3. Step 3: Cross multiply
    1,207,224,465.60x = 1,810,836,698.40 × 816,934,195.20
  4. Step 4: Simplify right side
    1,207,224,465.60x = 1,479,334,420,846,029,312
  5. Step 5: Solve for x
    x = 1,479,334,420,846,029,312/1,207,224,465.60
  6. Step 6: Final answer
    x = 1,225,401,292.80

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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.