Home / 1,547,608,710.03-2,135,643,915.72-945,786,182.79

Finding the Fourth Proportional to 1,547,608,710.03, 2,135,643,915.72 and 945,786,182.79

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Solution

The fourth proportional to 1,547,608,710.03, 2,135,643,915.72 and 945,786,182.79 is: 1,305,150,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,608,710.03 : 2,135,643,915.72 = 945,786,182.79 : x
  2. Step 2: Convert to fraction form
    1,547,608,710.03/2,135,643,915.72 = 945,786,182.79/x
  3. Step 3: Cross multiply
    1,547,608,710.03x = 2,135,643,915.72 × 945,786,182.79
  4. Step 4: Simplify right side
    1,547,608,710.03x = 2,019,862,506,859,088,640
  5. Step 5: Solve for x
    x = 2,019,862,506,859,088,640/1,547,608,710.03
  6. Step 6: Final answer
    x = 1,305,150,645.49

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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.