Home / 1,207,224,017.80-1,810,836,026.70-878,155,750.60

Finding the Fourth Proportional to 1,207,224,017.80, 1,810,836,026.70 and 878,155,750.60

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Solution

The fourth proportional to 1,207,224,017.80, 1,810,836,026.70 and 878,155,750.60 is: 1,317,233,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,224,017.80 : 1,810,836,026.70 = 878,155,750.60 : x
  2. Step 2: Convert to fraction form
    1,207,224,017.80/1,810,836,026.70 = 878,155,750.60/x
  3. Step 3: Cross multiply
    1,207,224,017.80x = 1,810,836,026.70 × 878,155,750.60
  4. Step 4: Simplify right side
    1,207,224,017.80x = 1,590,196,070,240,260,352
  5. Step 5: Solve for x
    x = 1,590,196,070,240,260,352/1,207,224,017.80
  6. Step 6: Final answer
    x = 1,317,233,625.90

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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.