Home / 708,488,096.80-1,062,881,444.40-299,333,639.20

Finding the Fourth Proportional to 708,488,096.80, 1,062,881,444.40 and 299,333,639.20

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Solution

The fourth proportional to 708,488,096.80, 1,062,881,444.40 and 299,333,639.20 is: 449,063,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,488,096.80 : 1,062,881,444.40 = 299,333,639.20 : x
  2. Step 2: Convert to fraction form
    708,488,096.80/1,062,881,444.40 = 299,333,639.20/x
  3. Step 3: Cross multiply
    708,488,096.80x = 1,062,881,444.40 × 299,333,639.20
  4. Step 4: Simplify right side
    708,488,096.80x = 318,156,170,790,404,416
  5. Step 5: Solve for x
    x = 318,156,170,790,404,416/708,488,096.80
  6. Step 6: Final answer
    x = 449,063,537.17

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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.