Home / 356,705,166.40-534,420,020.40-305,686,830.40

Finding the Fourth Proportional to 356,705,166.40, 534,420,020.40 and 305,686,830.40

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Solution

The fourth proportional to 356,705,166.40, 534,420,020.40 and 305,686,830.40 is: 457,983,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,705,166.40 : 534,420,020.40 = 305,686,830.40 : x
  2. Step 2: Convert to fraction form
    356,705,166.40/534,420,020.40 = 305,686,830.40/x
  3. Step 3: Cross multiply
    356,705,166.40x = 534,420,020.40 × 305,686,830.40
  4. Step 4: Simplify right side
    356,705,166.40x = 163,365,162,138,379,328
  5. Step 5: Solve for x
    x = 163,365,162,138,379,328/356,705,166.40
  6. Step 6: Final answer
    x = 457,983,728.66

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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.