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Finding the Fourth Proportional to 545,954,953.95, 818,932,430.93 and 303,617,857.95

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Solution

The fourth proportional to 545,954,953.95, 818,932,430.93 and 303,617,857.95 is: 455,426,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,954,953.95 : 818,932,430.93 = 303,617,857.95 : x
  2. Step 2: Convert to fraction form
    545,954,953.95/818,932,430.93 = 303,617,857.95/x
  3. Step 3: Cross multiply
    545,954,953.95x = 818,932,430.93 × 303,617,857.95
  4. Step 4: Simplify right side
    545,954,953.95x = 248,642,510,483,234,816
  5. Step 5: Solve for x
    x = 248,642,510,483,234,816/545,954,953.95
  6. Step 6: Final answer
    x = 455,426,786.93

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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.