Home / 1,117,145,995.09-1,541,604,493.91-615,343,976.24

Finding the Fourth Proportional to 1,117,145,995.09, 1,541,604,493.91 and 615,343,976.24

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Solution

The fourth proportional to 1,117,145,995.09, 1,541,604,493.91 and 615,343,976.24 is: 849,143,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,145,995.09 : 1,541,604,493.91 = 615,343,976.24 : x
  2. Step 2: Convert to fraction form
    1,117,145,995.09/1,541,604,493.91 = 615,343,976.24/x
  3. Step 3: Cross multiply
    1,117,145,995.09x = 1,541,604,493.91 × 615,343,976.24
  4. Step 4: Simplify right side
    1,117,145,995.09x = 948,617,039,065,862,528
  5. Step 5: Solve for x
    x = 948,617,039,065,862,528/1,117,145,995.09
  6. Step 6: Final answer
    x = 849,143,301.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.