Home / 577,897,739.14-866,844,205.74-209,346,399.10

Finding the Fourth Proportional to 577,897,739.14, 866,844,205.74 and 209,346,399.10

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Solution

The fourth proportional to 577,897,739.14, 866,844,205.74 and 209,346,399.10 is: 314,018,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,897,739.14 : 866,844,205.74 = 209,346,399.10 : x
  2. Step 2: Convert to fraction form
    577,897,739.14/866,844,205.74 = 209,346,399.10/x
  3. Step 3: Cross multiply
    577,897,739.14x = 866,844,205.74 × 209,346,399.10
  4. Step 4: Simplify right side
    577,897,739.14x = 181,470,713,052,368,544
  5. Step 5: Solve for x
    x = 181,470,713,052,368,544/577,897,739.14
  6. Step 6: Final answer
    x = 314,018,728.16

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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.