Home / 385,554,259.80-532,074,122.46-209,349,681.84

Finding the Fourth Proportional to 385,554,259.80, 532,074,122.46 and 209,349,681.84

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Solution

The fourth proportional to 385,554,259.80, 532,074,122.46 and 209,349,681.84 is: 288,907,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,554,259.80 : 532,074,122.46 = 209,349,681.84 : x
  2. Step 2: Convert to fraction form
    385,554,259.80/532,074,122.46 = 209,349,681.84/x
  3. Step 3: Cross multiply
    385,554,259.80x = 532,074,122.46 × 209,349,681.84
  4. Step 4: Simplify right side
    385,554,259.80x = 111,389,548,252,298,192
  5. Step 5: Solve for x
    x = 111,389,548,252,298,192/385,554,259.80
  6. Step 6: Final answer
    x = 288,907,580.25

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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.