Home / 697,045,285.32-1,045,681,503.62-205,808,212.23

Finding the Fourth Proportional to 697,045,285.32, 1,045,681,503.62 and 205,808,212.23

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Solution

The fourth proportional to 697,045,285.32, 1,045,681,503.62 and 205,808,212.23 is: 308,745,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,045,285.32 : 1,045,681,503.62 = 205,808,212.23 : x
  2. Step 2: Convert to fraction form
    697,045,285.32/1,045,681,503.62 = 205,808,212.23/x
  3. Step 3: Cross multiply
    697,045,285.32x = 1,045,681,503.62 × 205,808,212.23
  4. Step 4: Simplify right side
    697,045,285.32x = 215,209,840,820,981,408
  5. Step 5: Solve for x
    x = 215,209,840,820,981,408/697,045,285.32
  6. Step 6: Final answer
    x = 308,745,852.46

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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.