Home / 653,205,329.80-981,267,809.10-545,709,905.80

Finding the Fourth Proportional to 653,205,329.80, 981,267,809.10 and 545,709,905.80

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Solution

The fourth proportional to 653,205,329.80, 981,267,809.10 and 545,709,905.80 is: 819,784,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,205,329.80 : 981,267,809.10 = 545,709,905.80 : x
  2. Step 2: Convert to fraction form
    653,205,329.80/981,267,809.10 = 545,709,905.80/x
  3. Step 3: Cross multiply
    653,205,329.80x = 981,267,809.10 × 545,709,905.80
  4. Step 4: Simplify right side
    653,205,329.80x = 535,487,563,668,533,376
  5. Step 5: Solve for x
    x = 535,487,563,668,533,376/653,205,329.80
  6. Step 6: Final answer
    x = 819,784,437.20

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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.