Home / 726,960,008.40-1,090,446,233.40-242,285,816.40

Finding the Fourth Proportional to 726,960,008.40, 1,090,446,233.40 and 242,285,816.40

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Solution

The fourth proportional to 726,960,008.40, 1,090,446,233.40 and 242,285,816.40 is: 363,430,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,960,008.40 : 1,090,446,233.40 = 242,285,816.40 : x
  2. Step 2: Convert to fraction form
    726,960,008.40/1,090,446,233.40 = 242,285,816.40/x
  3. Step 3: Cross multiply
    726,960,008.40x = 1,090,446,233.40 × 242,285,816.40
  4. Step 4: Simplify right side
    726,960,008.40x = 264,199,655,899,623,968
  5. Step 5: Solve for x
    x = 264,199,655,899,623,968/726,960,008.40
  6. Step 6: Final answer
    x = 363,430,797.91

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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.