Home / 840,540,935.40-1,257,410,180.70-738,504,263.40

Finding the Fourth Proportional to 840,540,935.40, 1,257,410,180.70 and 738,504,263.40

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Solution

The fourth proportional to 840,540,935.40, 1,257,410,180.70 and 738,504,263.40 is: 1,104,768,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,540,935.40 : 1,257,410,180.70 = 738,504,263.40 : x
  2. Step 2: Convert to fraction form
    840,540,935.40/1,257,410,180.70 = 738,504,263.40/x
  3. Step 3: Cross multiply
    840,540,935.40x = 1,257,410,180.70 × 738,504,263.40
  4. Step 4: Simplify right side
    840,540,935.40x = 928,602,779,289,514,368
  5. Step 5: Solve for x
    x = 928,602,779,289,514,368/840,540,935.40
  6. Step 6: Final answer
    x = 1,104,768,060.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.