Home / 1,637,774,018.85-2,456,661,028.28-819,780,031.65

Finding the Fourth Proportional to 1,637,774,018.85, 2,456,661,028.28 and 819,780,031.65

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Solution

The fourth proportional to 1,637,774,018.85, 2,456,661,028.28 and 819,780,031.65 is: 1,229,670,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,774,018.85 : 2,456,661,028.28 = 819,780,031.65 : x
  2. Step 2: Convert to fraction form
    1,637,774,018.85/2,456,661,028.28 = 819,780,031.65/x
  3. Step 3: Cross multiply
    1,637,774,018.85x = 2,456,661,028.28 × 819,780,031.65
  4. Step 4: Simplify right side
    1,637,774,018.85x = 2,013,921,655,512,601,088
  5. Step 5: Solve for x
    x = 2,013,921,655,512,601,088/1,637,774,018.85
  6. Step 6: Final answer
    x = 1,229,670,047.48

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Double scale
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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.