Home / 1,448,085,715.40-2,172,128,573.10-867,610,425.80

Finding the Fourth Proportional to 1,448,085,715.40, 2,172,128,573.10 and 867,610,425.80

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Solution

The fourth proportional to 1,448,085,715.40, 2,172,128,573.10 and 867,610,425.80 is: 1,301,415,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,085,715.40 : 2,172,128,573.10 = 867,610,425.80 : x
  2. Step 2: Convert to fraction form
    1,448,085,715.40/2,172,128,573.10 = 867,610,425.80/x
  3. Step 3: Cross multiply
    1,448,085,715.40x = 2,172,128,573.10 × 867,610,425.80
  4. Step 4: Simplify right side
    1,448,085,715.40x = 1,884,561,396,199,637,248
  5. Step 5: Solve for x
    x = 1,884,561,396,199,637,248/1,448,085,715.40
  6. Step 6: Final answer
    x = 1,301,415,638.70

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Double scale
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1.5x scale

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.