Home / 611,789,400.36-917,683,269.48-284,085,718.56

Finding the Fourth Proportional to 611,789,400.36, 917,683,269.48 and 284,085,718.56

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Solution

The fourth proportional to 611,789,400.36, 917,683,269.48 and 284,085,718.56 is: 426,128,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,789,400.36 : 917,683,269.48 = 284,085,718.56 : x
  2. Step 2: Convert to fraction form
    611,789,400.36/917,683,269.48 = 284,085,718.56/x
  3. Step 3: Cross multiply
    611,789,400.36x = 917,683,269.48 × 284,085,718.56
  4. Step 4: Simplify right side
    611,789,400.36x = 260,700,711,020,715,936
  5. Step 5: Solve for x
    x = 260,700,711,020,715,936/611,789,400.36
  6. Step 6: Final answer
    x = 426,128,191.94

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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.