Home / 858,911,573.20-1,287,359,590.20-367,623,893.20

Finding the Fourth Proportional to 858,911,573.20, 1,287,359,590.20 and 367,623,893.20

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Solution

The fourth proportional to 858,911,573.20, 1,287,359,590.20 and 367,623,893.20 is: 551,004,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,911,573.20 : 1,287,359,590.20 = 367,623,893.20 : x
  2. Step 2: Convert to fraction form
    858,911,573.20/1,287,359,590.20 = 367,623,893.20/x
  3. Step 3: Cross multiply
    858,911,573.20x = 1,287,359,590.20 × 367,623,893.20
  4. Step 4: Simplify right side
    858,911,573.20x = 473,264,144,497,680,576
  5. Step 5: Solve for x
    x = 473,264,144,497,680,576/858,911,573.20
  6. Step 6: Final answer
    x = 551,004,502.98

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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.