Home / 541,678,412.50-812,261,485.65-209,840,846.02

Finding the Fourth Proportional to 541,678,412.50, 812,261,485.65 and 209,840,846.02

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Solution

The fourth proportional to 541,678,412.50, 812,261,485.65 and 209,840,846.02 is: 314,662,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,678,412.50 : 812,261,485.65 = 209,840,846.02 : x
  2. Step 2: Convert to fraction form
    541,678,412.50/812,261,485.65 = 209,840,846.02/x
  3. Step 3: Cross multiply
    541,678,412.50x = 812,261,485.65 × 209,840,846.02
  4. Step 4: Simplify right side
    541,678,412.50x = 170,445,637,338,258,080
  5. Step 5: Solve for x
    x = 170,445,637,338,258,080/541,678,412.50
  6. Step 6: Final answer
    x = 314,662,045.61

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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.