Home / 462,145,196.80-693,049,833.60-155,447,315.20

Finding the Fourth Proportional to 462,145,196.80, 693,049,833.60 and 155,447,315.20

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Solution

The fourth proportional to 462,145,196.80, 693,049,833.60 and 155,447,315.20 is: 233,114,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,145,196.80 : 693,049,833.60 = 155,447,315.20 : x
  2. Step 2: Convert to fraction form
    462,145,196.80/693,049,833.60 = 155,447,315.20/x
  3. Step 3: Cross multiply
    462,145,196.80x = 693,049,833.60 × 155,447,315.20
  4. Step 4: Simplify right side
    462,145,196.80x = 107,732,735,932,926,752
  5. Step 5: Solve for x
    x = 107,732,735,932,926,752/462,145,196.80
  6. Step 6: Final answer
    x = 233,114,477.18

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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.