Home / 1,108,974,681.70-1,663,462,022.55-291,169,651.30

Finding the Fourth Proportional to 1,108,974,681.70, 1,663,462,022.55 and 291,169,651.30

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Solution

The fourth proportional to 1,108,974,681.70, 1,663,462,022.55 and 291,169,651.30 is: 436,754,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,974,681.70 : 1,663,462,022.55 = 291,169,651.30 : x
  2. Step 2: Convert to fraction form
    1,108,974,681.70/1,663,462,022.55 = 291,169,651.30/x
  3. Step 3: Cross multiply
    1,108,974,681.70x = 1,663,462,022.55 × 291,169,651.30
  4. Step 4: Simplify right side
    1,108,974,681.70x = 484,349,657,056,676,224
  5. Step 5: Solve for x
    x = 484,349,657,056,676,224/1,108,974,681.70
  6. Step 6: Final answer
    x = 436,754,476.95

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Double scale
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Similar ratio
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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.