Home / 1,515,341,020.74-2,075,982,459.10-1,458,686,550.30

Finding the Fourth Proportional to 1,515,341,020.74, 2,075,982,459.10 and 1,458,686,550.30

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Solution

The fourth proportional to 1,515,341,020.74, 2,075,982,459.10 and 1,458,686,550.30 is: 1,998,367,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,341,020.74 : 2,075,982,459.10 = 1,458,686,550.30 : x
  2. Step 2: Convert to fraction form
    1,515,341,020.74/2,075,982,459.10 = 1,458,686,550.30/x
  3. Step 3: Cross multiply
    1,515,341,020.74x = 2,075,982,459.10 × 1,458,686,550.30
  4. Step 4: Simplify right side
    1,515,341,020.74x = 3,028,207,691,747,889,664
  5. Step 5: Solve for x
    x = 3,028,207,691,747,889,664/1,515,341,020.74
  6. Step 6: Final answer
    x = 1,998,367,133.41

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Double scale
Find fourth proportional to 1,515,341,021.74, 2,075,982,460.47 and 1,458,686,551.30
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.