Home / 756,097,641.60-1,134,146,462.40-210,838,300.80

Finding the Fourth Proportional to 756,097,641.60, 1,134,146,462.40 and 210,838,300.80

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Solution

The fourth proportional to 756,097,641.60, 1,134,146,462.40 and 210,838,300.80 is: 316,257,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,097,641.60 : 1,134,146,462.40 = 210,838,300.80 : x
  2. Step 2: Convert to fraction form
    756,097,641.60/1,134,146,462.40 = 210,838,300.80/x
  3. Step 3: Cross multiply
    756,097,641.60x = 1,134,146,462.40 × 210,838,300.80
  4. Step 4: Simplify right side
    756,097,641.60x = 239,121,512,990,747,136
  5. Step 5: Solve for x
    x = 239,121,512,990,747,136/756,097,641.60
  6. Step 6: Final answer
    x = 316,257,451.20

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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.