Home / 1,409,750,789.14-1,945,342,031.91-815,073,427.72

Finding the Fourth Proportional to 1,409,750,789.14, 1,945,342,031.91 and 815,073,427.72

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Solution

The fourth proportional to 1,409,750,789.14, 1,945,342,031.91 and 815,073,427.72 is: 1,124,735,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,750,789.14 : 1,945,342,031.91 = 815,073,427.72 : x
  2. Step 2: Convert to fraction form
    1,409,750,789.14/1,945,342,031.91 = 815,073,427.72/x
  3. Step 3: Cross multiply
    1,409,750,789.14x = 1,945,342,031.91 × 815,073,427.72
  4. Step 4: Simplify right side
    1,409,750,789.14x = 1,585,596,598,026,946,816
  5. Step 5: Solve for x
    x = 1,585,596,598,026,946,816/1,409,750,789.14
  6. Step 6: Final answer
    x = 1,124,735,386.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.