Home / 357,553,265.80-536,329,898.70-212,434,443.40

Finding the Fourth Proportional to 357,553,265.80, 536,329,898.70 and 212,434,443.40

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Solution

The fourth proportional to 357,553,265.80, 536,329,898.70 and 212,434,443.40 is: 318,651,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,553,265.80 : 536,329,898.70 = 212,434,443.40 : x
  2. Step 2: Convert to fraction form
    357,553,265.80/536,329,898.70 = 212,434,443.40/x
  3. Step 3: Cross multiply
    357,553,265.80x = 536,329,898.70 × 212,434,443.40
  4. Step 4: Simplify right side
    357,553,265.80x = 113,934,943,509,112,880
  5. Step 5: Solve for x
    x = 113,934,943,509,112,880/357,553,265.80
  6. Step 6: Final answer
    x = 318,651,665.10

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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.