Home / 382,465,050.78-572,510,013.30-207,152,661.90

Finding the Fourth Proportional to 382,465,050.78, 572,510,013.30 and 207,152,661.90

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Solution

The fourth proportional to 382,465,050.78, 572,510,013.30 and 207,152,661.90 is: 310,085,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,465,050.78 : 572,510,013.30 = 207,152,661.90 : x
  2. Step 2: Convert to fraction form
    382,465,050.78/572,510,013.30 = 207,152,661.90/x
  3. Step 3: Cross multiply
    382,465,050.78x = 572,510,013.30 × 207,152,661.90
  4. Step 4: Simplify right side
    382,465,050.78x = 118,596,973,219,499,392
  5. Step 5: Solve for x
    x = 118,596,973,219,499,392/382,465,050.78
  6. Step 6: Final answer
    x = 310,085,779.02

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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.