Home / 477,966,533.94-659,418,850.89-289,658,981.70

Finding the Fourth Proportional to 477,966,533.94, 659,418,850.89 and 289,658,981.70

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Solution

The fourth proportional to 477,966,533.94, 659,418,850.89 and 289,658,981.70 is: 399,623,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,966,533.94 : 659,418,850.89 = 289,658,981.70 : x
  2. Step 2: Convert to fraction form
    477,966,533.94/659,418,850.89 = 289,658,981.70/x
  3. Step 3: Cross multiply
    477,966,533.94x = 659,418,850.89 × 289,658,981.70
  4. Step 4: Simplify right side
    477,966,533.94x = 191,006,592,862,581,536
  5. Step 5: Solve for x
    x = 191,006,592,862,581,536/477,966,533.94
  6. Step 6: Final answer
    x = 399,623,361.26

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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.