Home / 1,409,750,788.64-1,945,342,031.22-815,073,427.22

Finding the Fourth Proportional to 1,409,750,788.64, 1,945,342,031.22 and 815,073,427.22

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Solution

The fourth proportional to 1,409,750,788.64, 1,945,342,031.22 and 815,073,427.22 is: 1,124,735,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,750,788.64 : 1,945,342,031.22 = 815,073,427.22 : x
  2. Step 2: Convert to fraction form
    1,409,750,788.64/1,945,342,031.22 = 815,073,427.22/x
  3. Step 3: Cross multiply
    1,409,750,788.64x = 1,945,342,031.22 × 815,073,427.22
  4. Step 4: Simplify right side
    1,409,750,788.64x = 1,585,596,596,491,875,072
  5. Step 5: Solve for x
    x = 1,585,596,596,491,875,072/1,409,750,788.64
  6. Step 6: Final answer
    x = 1,124,735,385.34

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Double scale
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1.5x scale

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.