Home / 1,461,463,617.40-2,192,195,426.10-685,187,748.70

Finding the Fourth Proportional to 1,461,463,617.40, 2,192,195,426.10 and 685,187,748.70

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Solution

The fourth proportional to 1,461,463,617.40, 2,192,195,426.10 and 685,187,748.70 is: 1,027,781,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,463,617.40 : 2,192,195,426.10 = 685,187,748.70 : x
  2. Step 2: Convert to fraction form
    1,461,463,617.40/2,192,195,426.10 = 685,187,748.70/x
  3. Step 3: Cross multiply
    1,461,463,617.40x = 2,192,195,426.10 × 685,187,748.70
  4. Step 4: Simplify right side
    1,461,463,617.40x = 1,502,065,448,719,896,320
  5. Step 5: Solve for x
    x = 1,502,065,448,719,896,320/1,461,463,617.40
  6. Step 6: Final answer
    x = 1,027,781,623.05

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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.