Home / 435,470,123.80-652,780,032.90-389,553,621.40

Finding the Fourth Proportional to 435,470,123.80, 652,780,032.90 and 389,553,621.40

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Solution

The fourth proportional to 435,470,123.80, 652,780,032.90 and 389,553,621.40 is: 583,950,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,470,123.80 : 652,780,032.90 = 389,553,621.40 : x
  2. Step 2: Convert to fraction form
    435,470,123.80/652,780,032.90 = 389,553,621.40/x
  3. Step 3: Cross multiply
    435,470,123.80x = 652,780,032.90 × 389,553,621.40
  4. Step 4: Simplify right side
    435,470,123.80x = 254,292,825,793,806,112
  5. Step 5: Solve for x
    x = 254,292,825,793,806,112/435,470,123.80
  6. Step 6: Final answer
    x = 583,950,107.93

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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.