Home / 389,294,188.80-583,866,864.36-116,664,956.16

Finding the Fourth Proportional to 389,294,188.80, 583,866,864.36 and 116,664,956.16

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Solution

The fourth proportional to 389,294,188.80, 583,866,864.36 and 116,664,956.16 is: 174,975,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,294,188.80 : 583,866,864.36 = 116,664,956.16 : x
  2. Step 2: Convert to fraction form
    389,294,188.80/583,866,864.36 = 116,664,956.16/x
  3. Step 3: Cross multiply
    389,294,188.80x = 583,866,864.36 × 116,664,956.16
  4. Step 4: Simplify right side
    389,294,188.80x = 68,116,802,133,836,064
  5. Step 5: Solve for x
    x = 68,116,802,133,836,064/389,294,188.80
  6. Step 6: Final answer
    x = 174,975,132.16

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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.