Home / 554,578,814.10-765,342,678.20-307,060,190.22

Finding the Fourth Proportional to 554,578,814.10, 765,342,678.20 and 307,060,190.22

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Solution

The fourth proportional to 554,578,814.10, 765,342,678.20 and 307,060,190.22 is: 423,756,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578,814.10 : 765,342,678.20 = 307,060,190.22 : x
  2. Step 2: Convert to fraction form
    554,578,814.10/765,342,678.20 = 307,060,190.22/x
  3. Step 3: Cross multiply
    554,578,814.10x = 765,342,678.20 × 307,060,190.22
  4. Step 4: Simplify right side
    554,578,814.10x = 235,006,268,352,343,904
  5. Step 5: Solve for x
    x = 235,006,268,352,343,904/554,578,814.10
  6. Step 6: Final answer
    x = 423,756,303.66

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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.