Home / 384,912,309.80-577,368,464.70-377,259,559.40

Finding the Fourth Proportional to 384,912,309.80, 577,368,464.70 and 377,259,559.40

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Solution

The fourth proportional to 384,912,309.80, 577,368,464.70 and 377,259,559.40 is: 565,889,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,309.80 : 577,368,464.70 = 377,259,559.40 : x
  2. Step 2: Convert to fraction form
    384,912,309.80/577,368,464.70 = 377,259,559.40/x
  3. Step 3: Cross multiply
    384,912,309.80x = 577,368,464.70 × 377,259,559.40
  4. Step 4: Simplify right side
    384,912,309.80x = 217,817,772,604,176,448
  5. Step 5: Solve for x
    x = 217,817,772,604,176,448/384,912,309.80
  6. Step 6: Final answer
    x = 565,889,339.10

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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.