Home / 486,047,968.38-670,747,889.95-263,029,594.12

Finding the Fourth Proportional to 486,047,968.38, 670,747,889.95 and 263,029,594.12

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Solution

The fourth proportional to 486,047,968.38, 670,747,889.95 and 263,029,594.12 is: 362,981,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,047,968.38 : 670,747,889.95 = 263,029,594.12 : x
  2. Step 2: Convert to fraction form
    486,047,968.38/670,747,889.95 = 263,029,594.12/x
  3. Step 3: Cross multiply
    486,047,968.38x = 670,747,889.95 × 263,029,594.12
  4. Step 4: Simplify right side
    486,047,968.38x = 176,426,545,248,060,480
  5. Step 5: Solve for x
    x = 176,426,545,248,060,480/486,047,968.38
  6. Step 6: Final answer
    x = 362,981,756.38

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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.