Home / 511,488,000.80-767,232,001.20-293,137,920.80

Finding the Fourth Proportional to 511,488,000.80, 767,232,001.20 and 293,137,920.80

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Solution

The fourth proportional to 511,488,000.80, 767,232,001.20 and 293,137,920.80 is: 439,706,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,488,000.80 : 767,232,001.20 = 293,137,920.80 : x
  2. Step 2: Convert to fraction form
    511,488,000.80/767,232,001.20 = 293,137,920.80/x
  3. Step 3: Cross multiply
    511,488,000.80x = 767,232,001.20 × 293,137,920.80
  4. Step 4: Simplify right side
    511,488,000.80x = 224,904,793,602,991,136
  5. Step 5: Solve for x
    x = 224,904,793,602,991,136/511,488,000.80
  6. Step 6: Final answer
    x = 439,706,881.20

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1.5x scale

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.