Home / 1,303,042,561,478.10-1,798,199,028,355.80-717,092,407,126.78

Finding the Fourth Proportional to 1,303,042,561,478.10, 1,798,199,028,355.80 and 717,092,407,126.78

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Solution

The fourth proportional to 1,303,042,561,478.10, 1,798,199,028,355.80 and 717,092,407,126.78 is: 989,587,683,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,042,561,478.10 : 1,798,199,028,355.80 = 717,092,407,126.78 : x
  2. Step 2: Convert to fraction form
    1,303,042,561,478.10/1,798,199,028,355.80 = 717,092,407,126.78/x
  3. Step 3: Cross multiply
    1,303,042,561,478.10x = 1,798,199,028,355.80 × 717,092,407,126.78
  4. Step 4: Simplify right side
    1,303,042,561,478.10x = 1,289,474,869,736,697,610,895,360
  5. Step 5: Solve for x
    x = 1,289,474,869,736,697,610,895,360/1,303,042,561,478.10
  6. Step 6: Final answer
    x = 989,587,683,363.15

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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.