Home / 554,578,814.47-765,342,678.72-307,060,190.59

Finding the Fourth Proportional to 554,578,814.47, 765,342,678.72 and 307,060,190.59

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Solution

The fourth proportional to 554,578,814.47, 765,342,678.72 and 307,060,190.59 is: 423,756,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578,814.47 : 765,342,678.72 = 307,060,190.59 : x
  2. Step 2: Convert to fraction form
    554,578,814.47/765,342,678.72 = 307,060,190.59/x
  3. Step 3: Cross multiply
    554,578,814.47x = 765,342,678.72 × 307,060,190.59
  4. Step 4: Simplify right side
    554,578,814.47x = 235,006,268,796,532,480
  5. Step 5: Solve for x
    x = 235,006,268,796,532,480/554,578,814.47
  6. Step 6: Final answer
    x = 423,756,304.18

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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.