Home / 1,389,075,087.60-1,916,853,224.76-824,584,098.24

Finding the Fourth Proportional to 1,389,075,087.60, 1,916,853,224.76 and 824,584,098.24

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Solution

The fourth proportional to 1,389,075,087.60, 1,916,853,224.76 and 824,584,098.24 is: 1,137,884,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,075,087.60 : 1,916,853,224.76 = 824,584,098.24 : x
  2. Step 2: Convert to fraction form
    1,389,075,087.60/1,916,853,224.76 = 824,584,098.24/x
  3. Step 3: Cross multiply
    1,389,075,087.60x = 1,916,853,224.76 × 824,584,098.24
  4. Step 4: Simplify right side
    1,389,075,087.60x = 1,580,606,687,797,160,704
  5. Step 5: Solve for x
    x = 1,580,606,687,797,160,704/1,389,075,087.60
  6. Step 6: Final answer
    x = 1,137,884,266.95

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Double scale
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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.