Home / 434,643,987.60-599,754,261.93-293,821,609.47

Finding the Fourth Proportional to 434,643,987.60, 599,754,261.93 and 293,821,609.47

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Solution

The fourth proportional to 434,643,987.60, 599,754,261.93 and 293,821,609.47 is: 405,437,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,643,987.60 : 599,754,261.93 = 293,821,609.47 : x
  2. Step 2: Convert to fraction form
    434,643,987.60/599,754,261.93 = 293,821,609.47/x
  3. Step 3: Cross multiply
    434,643,987.60x = 599,754,261.93 × 293,821,609.47
  4. Step 4: Simplify right side
    434,643,987.60x = 176,220,762,526,764,544
  5. Step 5: Solve for x
    x = 176,220,762,526,764,544/434,643,987.60
  6. Step 6: Final answer
    x = 405,437,018.70

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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.