Home / 850,177,555.40-1,275,266,333.10-699,012,115.40

Finding the Fourth Proportional to 850,177,555.40, 1,275,266,333.10 and 699,012,115.40

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Solution

The fourth proportional to 850,177,555.40, 1,275,266,333.10 and 699,012,115.40 is: 1,048,518,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,177,555.40 : 1,275,266,333.10 = 699,012,115.40 : x
  2. Step 2: Convert to fraction form
    850,177,555.40/1,275,266,333.10 = 699,012,115.40/x
  3. Step 3: Cross multiply
    850,177,555.40x = 1,275,266,333.10 × 699,012,115.40
  4. Step 4: Simplify right side
    850,177,555.40x = 891,426,617,198,631,936
  5. Step 5: Solve for x
    x = 891,426,617,198,631,936/850,177,555.40
  6. Step 6: Final answer
    x = 1,048,518,173.10

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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.