Home / 497,785,510.80-746,678,266.20-342,817,315.20

Finding the Fourth Proportional to 497,785,510.80, 746,678,266.20 and 342,817,315.20

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Solution

The fourth proportional to 497,785,510.80, 746,678,266.20 and 342,817,315.20 is: 514,225,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,785,510.80 : 746,678,266.20 = 342,817,315.20 : x
  2. Step 2: Convert to fraction form
    497,785,510.80/746,678,266.20 = 342,817,315.20/x
  3. Step 3: Cross multiply
    497,785,510.80x = 746,678,266.20 × 342,817,315.20
  4. Step 4: Simplify right side
    497,785,510.80x = 255,974,238,536,874,912
  5. Step 5: Solve for x
    x = 255,974,238,536,874,912/497,785,510.80
  6. Step 6: Final answer
    x = 514,225,972.80

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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.