Home / 519,227,651.40-778,841,477.10-155,722,007.40

Finding the Fourth Proportional to 519,227,651.40, 778,841,477.10 and 155,722,007.40

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Solution

The fourth proportional to 519,227,651.40, 778,841,477.10 and 155,722,007.40 is: 233,583,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,227,651.40 : 778,841,477.10 = 155,722,007.40 : x
  2. Step 2: Convert to fraction form
    519,227,651.40/778,841,477.10 = 155,722,007.40/x
  3. Step 3: Cross multiply
    519,227,651.40x = 778,841,477.10 × 155,722,007.40
  4. Step 4: Simplify right side
    519,227,651.40x = 121,282,758,260,393,136
  5. Step 5: Solve for x
    x = 121,282,758,260,393,136/519,227,651.40
  6. Step 6: Final answer
    x = 233,583,011.10

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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.