Home / 690,624,140.74-1,036,673,667.54-297,345,728.50

Finding the Fourth Proportional to 690,624,140.74, 1,036,673,667.54 and 297,345,728.50

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Solution

The fourth proportional to 690,624,140.74, 1,036,673,667.54 and 297,345,728.50 is: 446,336,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,624,140.74 : 1,036,673,667.54 = 297,345,728.50 : x
  2. Step 2: Convert to fraction form
    690,624,140.74/1,036,673,667.54 = 297,345,728.50/x
  3. Step 3: Cross multiply
    690,624,140.74x = 1,036,673,667.54 × 297,345,728.50
  4. Step 4: Simplify right side
    690,624,140.74x = 308,250,486,891,448,064
  5. Step 5: Solve for x
    x = 308,250,486,891,448,064/690,624,140.74
  6. Step 6: Final answer
    x = 446,336,101.95

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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.