Home / 862,094,106.90-1,293,141,160.35-378,364,698.90

Finding the Fourth Proportional to 862,094,106.90, 1,293,141,160.35 and 378,364,698.90

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Solution

The fourth proportional to 862,094,106.90, 1,293,141,160.35 and 378,364,698.90 is: 567,547,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,094,106.90 : 1,293,141,160.35 = 378,364,698.90 : x
  2. Step 2: Convert to fraction form
    862,094,106.90/1,293,141,160.35 = 378,364,698.90/x
  3. Step 3: Cross multiply
    862,094,106.90x = 1,293,141,160.35 × 378,364,698.90
  4. Step 4: Simplify right side
    862,094,106.90x = 489,278,965,771,024,320
  5. Step 5: Solve for x
    x = 489,278,965,771,024,320/862,094,106.90
  6. Step 6: Final answer
    x = 567,547,048.35

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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.