Home / 1,085,298,770.40-1,627,948,155.60-672,050,248.80

Finding the Fourth Proportional to 1,085,298,770.40, 1,627,948,155.60 and 672,050,248.80

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Solution

The fourth proportional to 1,085,298,770.40, 1,627,948,155.60 and 672,050,248.80 is: 1,008,075,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,298,770.40 : 1,627,948,155.60 = 672,050,248.80 : x
  2. Step 2: Convert to fraction form
    1,085,298,770.40/1,627,948,155.60 = 672,050,248.80/x
  3. Step 3: Cross multiply
    1,085,298,770.40x = 1,627,948,155.60 × 672,050,248.80
  4. Step 4: Simplify right side
    1,085,298,770.40x = 1,094,062,963,004,481,024
  5. Step 5: Solve for x
    x = 1,094,062,963,004,481,024/1,085,298,770.40
  6. Step 6: Final answer
    x = 1,008,075,373.20

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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.