Home / 1,110,186,218.38-1,532,058,779.40-608,315,259.92

Finding the Fourth Proportional to 1,110,186,218.38, 1,532,058,779.40 and 608,315,259.92

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Solution

The fourth proportional to 1,110,186,218.38, 1,532,058,779.40 and 608,315,259.92 is: 839,476,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,186,218.38 : 1,532,058,779.40 = 608,315,259.92 : x
  2. Step 2: Convert to fraction form
    1,110,186,218.38/1,532,058,779.40 = 608,315,259.92/x
  3. Step 3: Cross multiply
    1,110,186,218.38x = 1,532,058,779.40 × 608,315,259.92
  4. Step 4: Simplify right side
    1,110,186,218.38x = 931,974,734,603,428,992
  5. Step 5: Solve for x
    x = 931,974,734,603,428,992/1,110,186,218.38
  6. Step 6: Final answer
    x = 839,476,043.90

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Double scale
Find fourth proportional to 1,110,186,219.38, 1,532,058,780.78 and 608,315,260.92
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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.