Home / 425,144,242.67-586,950,725.64-377,971,020.08

Finding the Fourth Proportional to 425,144,242.67, 586,950,725.64 and 377,971,020.08

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Solution

The fourth proportional to 425,144,242.67, 586,950,725.64 and 377,971,020.08 is: 521,823,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,144,242.67 : 586,950,725.64 = 377,971,020.08 : x
  2. Step 2: Convert to fraction form
    425,144,242.67/586,950,725.64 = 377,971,020.08/x
  3. Step 3: Cross multiply
    425,144,242.67x = 586,950,725.64 × 377,971,020.08
  4. Step 4: Simplify right side
    425,144,242.67x = 221,850,364,506,847,008
  5. Step 5: Solve for x
    x = 221,850,364,506,847,008/425,144,242.67
  6. Step 6: Final answer
    x = 521,823,753.54

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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.