Home / 1,409,750,788.38-1,945,342,030.88-815,073,426.96

Finding the Fourth Proportional to 1,409,750,788.38, 1,945,342,030.88 and 815,073,426.96

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Solution

The fourth proportional to 1,409,750,788.38, 1,945,342,030.88 and 815,073,426.96 is: 1,124,735,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,750,788.38 : 1,945,342,030.88 = 815,073,426.96 : x
  2. Step 2: Convert to fraction form
    1,409,750,788.38/1,945,342,030.88 = 815,073,426.96/x
  3. Step 3: Cross multiply
    1,409,750,788.38x = 1,945,342,030.88 × 815,073,426.96
  4. Step 4: Simplify right side
    1,409,750,788.38x = 1,585,596,595,718,688,000
  5. Step 5: Solve for x
    x = 1,585,596,595,718,688,000/1,409,750,788.38
  6. Step 6: Final answer
    x = 1,124,735,385.00

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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.