Home / 800,924,437.80-1,201,386,656.70-255,683,759.40

Finding the Fourth Proportional to 800,924,437.80, 1,201,386,656.70 and 255,683,759.40

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Solution

The fourth proportional to 800,924,437.80, 1,201,386,656.70 and 255,683,759.40 is: 383,525,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,924,437.80 : 1,201,386,656.70 = 255,683,759.40 : x
  2. Step 2: Convert to fraction form
    800,924,437.80/1,201,386,656.70 = 255,683,759.40/x
  3. Step 3: Cross multiply
    800,924,437.80x = 1,201,386,656.70 × 255,683,759.40
  4. Step 4: Simplify right side
    800,924,437.80x = 307,175,056,878,053,248
  5. Step 5: Solve for x
    x = 307,175,056,878,053,248/800,924,437.80
  6. Step 6: Final answer
    x = 383,525,639.10

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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.