Home / 453,197,018.80-679,795,528.20-146,709,089.20

Finding the Fourth Proportional to 453,197,018.80, 679,795,528.20 and 146,709,089.20

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Solution

The fourth proportional to 453,197,018.80, 679,795,528.20 and 146,709,089.20 is: 220,063,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,197,018.80 : 679,795,528.20 = 146,709,089.20 : x
  2. Step 2: Convert to fraction form
    453,197,018.80/679,795,528.20 = 146,709,089.20/x
  3. Step 3: Cross multiply
    453,197,018.80x = 679,795,528.20 × 146,709,089.20
  4. Step 4: Simplify right side
    453,197,018.80x = 99,732,182,784,454,912
  5. Step 5: Solve for x
    x = 99,732,182,784,454,912/453,197,018.80
  6. Step 6: Final answer
    x = 220,063,633.80

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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.