Home / 690,624,139.74-1,036,673,666.04-297,345,727.50

Finding the Fourth Proportional to 690,624,139.74, 1,036,673,666.04 and 297,345,727.50

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Solution

The fourth proportional to 690,624,139.74, 1,036,673,666.04 and 297,345,727.50 is: 446,336,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,624,139.74 : 1,036,673,666.04 = 297,345,727.50 : x
  2. Step 2: Convert to fraction form
    690,624,139.74/1,036,673,666.04 = 297,345,727.50/x
  3. Step 3: Cross multiply
    690,624,139.74x = 1,036,673,666.04 × 297,345,727.50
  4. Step 4: Simplify right side
    690,624,139.74x = 308,250,485,408,755,840
  5. Step 5: Solve for x
    x = 308,250,485,408,755,840/690,624,139.74
  6. Step 6: Final answer
    x = 446,336,100.45

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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.