Home / 1,054,358,412.18-1,581,520,013.73-256,683,960.24

Finding the Fourth Proportional to 1,054,358,412.18, 1,581,520,013.73 and 256,683,960.24

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Solution

The fourth proportional to 1,054,358,412.18, 1,581,520,013.73 and 256,683,960.24 is: 385,021,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,358,412.18 : 1,581,520,013.73 = 256,683,960.24 : x
  2. Step 2: Convert to fraction form
    1,054,358,412.18/1,581,520,013.73 = 256,683,960.24/x
  3. Step 3: Cross multiply
    1,054,358,412.18x = 1,581,520,013.73 × 256,683,960.24
  4. Step 4: Simplify right side
    1,054,358,412.18x = 405,950,820,323,035,584
  5. Step 5: Solve for x
    x = 405,950,820,323,035,584/1,054,358,412.18
  6. Step 6: Final answer
    x = 385,021,654.53

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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.