Home / 686,594,254.20-1,029,891,381.30-255,683,585.40

Finding the Fourth Proportional to 686,594,254.20, 1,029,891,381.30 and 255,683,585.40

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Solution

The fourth proportional to 686,594,254.20, 1,029,891,381.30 and 255,683,585.40 is: 383,525,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,594,254.20 : 1,029,891,381.30 = 255,683,585.40 : x
  2. Step 2: Convert to fraction form
    686,594,254.20/1,029,891,381.30 = 255,683,585.40/x
  3. Step 3: Cross multiply
    686,594,254.20x = 1,029,891,381.30 × 255,683,585.40
  4. Step 4: Simplify right side
    686,594,254.20x = 263,326,320,943,342,496
  5. Step 5: Solve for x
    x = 263,326,320,943,342,496/686,594,254.20
  6. Step 6: Final answer
    x = 383,525,378.10

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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.