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Finding the Fourth Proportional to 304,868,710.20, 457,303,065.30 and 299,560,294.20

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Solution

The fourth proportional to 304,868,710.20, 457,303,065.30 and 299,560,294.20 is: 449,340,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,868,710.20 : 457,303,065.30 = 299,560,294.20 : x
  2. Step 2: Convert to fraction form
    304,868,710.20/457,303,065.30 = 299,560,294.20/x
  3. Step 3: Cross multiply
    304,868,710.20x = 457,303,065.30 × 299,560,294.20
  4. Step 4: Simplify right side
    304,868,710.20x = 136,989,840,779,829,808
  5. Step 5: Solve for x
    x = 136,989,840,779,829,808/304,868,710.20
  6. Step 6: Final answer
    x = 449,340,441.30

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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.