Home / 578,047,054.56-866,876,210.96-209,504,859.72

Finding the Fourth Proportional to 578,047,054.56, 866,876,210.96 and 209,504,859.72

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Solution

The fourth proportional to 578,047,054.56, 866,876,210.96 and 209,504,859.72 is: 314,186,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047,054.56 : 866,876,210.96 = 209,504,859.72 : x
  2. Step 2: Convert to fraction form
    578,047,054.56/866,876,210.96 = 209,504,859.72/x
  3. Step 3: Cross multiply
    578,047,054.56x = 866,876,210.96 × 209,504,859.72
  4. Step 4: Simplify right side
    578,047,054.56x = 181,614,778,971,779,936
  5. Step 5: Solve for x
    x = 181,614,778,971,779,936/578,047,054.56
  6. Step 6: Final answer
    x = 314,186,842.64

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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.