Home / 495,480,009.04-683,805,986.22-272,500,978.84

Finding the Fourth Proportional to 495,480,009.04, 683,805,986.22 and 272,500,978.84

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Solution

The fourth proportional to 495,480,009.04, 683,805,986.22 and 272,500,978.84 is: 376,075,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,480,009.04 : 683,805,986.22 = 272,500,978.84 : x
  2. Step 2: Convert to fraction form
    495,480,009.04/683,805,986.22 = 272,500,978.84/x
  3. Step 3: Cross multiply
    495,480,009.04x = 683,805,986.22 × 272,500,978.84
  4. Step 4: Simplify right side
    495,480,009.04x = 186,337,800,581,601,536
  5. Step 5: Solve for x
    x = 186,337,800,581,601,536/495,480,009.04
  6. Step 6: Final answer
    x = 376,075,315.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.