Home / 500,650,665.62-690,896,808.43-277,626,835.40

Finding the Fourth Proportional to 500,650,665.62, 690,896,808.43 and 277,626,835.40

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Solution

The fourth proportional to 500,650,665.62, 690,896,808.43 and 277,626,835.40 is: 383,124,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,650,665.62 : 690,896,808.43 = 277,626,835.40 : x
  2. Step 2: Convert to fraction form
    500,650,665.62/690,896,808.43 = 277,626,835.40/x
  3. Step 3: Cross multiply
    500,650,665.62x = 690,896,808.43 × 277,626,835.40
  4. Step 4: Simplify right side
    500,650,665.62x = 191,811,494,508,232,384
  5. Step 5: Solve for x
    x = 191,811,494,508,232,384/500,650,665.62
  6. Step 6: Final answer
    x = 383,124,417.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.