Home / 347,736,681.80-521,605,022.70-343,201,718.60

Finding the Fourth Proportional to 347,736,681.80, 521,605,022.70 and 343,201,718.60

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Solution

The fourth proportional to 347,736,681.80, 521,605,022.70 and 343,201,718.60 is: 514,802,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,681.80 : 521,605,022.70 = 343,201,718.60 : x
  2. Step 2: Convert to fraction form
    347,736,681.80/521,605,022.70 = 343,201,718.60/x
  3. Step 3: Cross multiply
    347,736,681.80x = 521,605,022.70 × 343,201,718.60
  4. Step 4: Simplify right side
    347,736,681.80x = 179,015,740,221,032,032
  5. Step 5: Solve for x
    x = 179,015,740,221,032,032/347,736,681.80
  6. Step 6: Final answer
    x = 514,802,577.90

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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.