Home / 989,222,827.76-1,365,065,412.99-543,183,068.47

Finding the Fourth Proportional to 989,222,827.76, 1,365,065,412.99 and 543,183,068.47

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Solution

The fourth proportional to 989,222,827.76, 1,365,065,412.99 and 543,183,068.47 is: 749,558,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,222,827.76 : 1,365,065,412.99 = 543,183,068.47 : x
  2. Step 2: Convert to fraction form
    989,222,827.76/1,365,065,412.99 = 543,183,068.47/x
  3. Step 3: Cross multiply
    989,222,827.76x = 1,365,065,412.99 × 543,183,068.47
  4. Step 4: Simplify right side
    989,222,827.76x = 741,480,419,690,176,000
  5. Step 5: Solve for x
    x = 741,480,419,690,176,000/989,222,827.76
  6. Step 6: Final answer
    x = 749,558,541.19

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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.