Home / 1,117,146,037.02-1,541,604,551.94-615,344,018.28

Finding the Fourth Proportional to 1,117,146,037.02, 1,541,604,551.94 and 615,344,018.28

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Solution

The fourth proportional to 1,117,146,037.02, 1,541,604,551.94 and 615,344,018.28 is: 849,143,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,146,037.02 : 1,541,604,551.94 = 615,344,018.28 : x
  2. Step 2: Convert to fraction form
    1,117,146,037.02/1,541,604,551.94 = 615,344,018.28/x
  3. Step 3: Cross multiply
    1,117,146,037.02x = 1,541,604,551.94 × 615,344,018.28
  4. Step 4: Simplify right side
    1,117,146,037.02x = 948,617,139,589,498,624
  5. Step 5: Solve for x
    x = 948,617,139,589,498,624/1,117,146,037.02
  6. Step 6: Final answer
    x = 849,143,360.09

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Double scale
Find fourth proportional to 1,117,146,038.02, 1,541,604,553.32 and 615,344,019.28
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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.