Home / 1,689,277,296.25-2,535,374,749.92-1,172,070,943.44

Finding the Fourth Proportional to 1,689,277,296.25, 2,535,374,749.92 and 1,172,070,943.44

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Solution

The fourth proportional to 1,689,277,296.25, 2,535,374,749.92 and 1,172,070,943.44 is: 1,759,118,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,277,296.25 : 2,535,374,749.92 = 1,172,070,943.44 : x
  2. Step 2: Convert to fraction form
    1,689,277,296.25/2,535,374,749.92 = 1,172,070,943.44/x
  3. Step 3: Cross multiply
    1,689,277,296.25x = 2,535,374,749.92 × 1,172,070,943.44
  4. Step 4: Simplify right side
    1,689,277,296.25x = 2,971,639,075,112,688,640
  5. Step 5: Solve for x
    x = 2,971,639,075,112,688,640/1,689,277,296.25
  6. Step 6: Final answer
    x = 1,759,118,577.93

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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.