Home / 1,005,492,618.56-1,387,558,065-582,124,133.60

Finding the Fourth Proportional to 1,005,492,618.56, 1,387,558,065 and 582,124,133.60

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Solution

The fourth proportional to 1,005,492,618.56, 1,387,558,065 and 582,124,133.60 is: 803,318,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,492,618.56 : 1,387,558,065 = 582,124,133.60 : x
  2. Step 2: Convert to fraction form
    1,005,492,618.56/1,387,558,065 = 582,124,133.60/x
  3. Step 3: Cross multiply
    1,005,492,618.56x = 1,387,558,065 × 582,124,133.60
  4. Step 4: Simplify right side
    1,005,492,618.56x = 807,731,036,407,817,472
  5. Step 5: Solve for x
    x = 807,731,036,407,817,472/1,005,492,618.56
  6. Step 6: Final answer
    x = 803,318,713.13

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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.