Home / 356,705,167.40-534,420,021.90-305,686,831.40

Finding the Fourth Proportional to 356,705,167.40, 534,420,021.90 and 305,686,831.40

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Solution

The fourth proportional to 356,705,167.40, 534,420,021.90 and 305,686,831.40 is: 457,983,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,705,167.40 : 534,420,021.90 = 305,686,831.40 : x
  2. Step 2: Convert to fraction form
    356,705,167.40/534,420,021.90 = 305,686,831.40/x
  3. Step 3: Cross multiply
    356,705,167.40x = 534,420,021.90 × 305,686,831.40
  4. Step 4: Simplify right side
    356,705,167.40x = 163,365,163,131,329,600
  5. Step 5: Solve for x
    x = 163,365,163,131,329,600/356,705,167.40
  6. Step 6: Final answer
    x = 457,983,730.15

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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.