Home / 366,712,729.42-506,195,200.21-218,033,495.81

Finding the Fourth Proportional to 366,712,729.42, 506,195,200.21 and 218,033,495.81

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Solution

The fourth proportional to 366,712,729.42, 506,195,200.21 and 218,033,495.81 is: 300,964,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,712,729.42 : 506,195,200.21 = 218,033,495.81 : x
  2. Step 2: Convert to fraction form
    366,712,729.42/506,195,200.21 = 218,033,495.81/x
  3. Step 3: Cross multiply
    366,712,729.42x = 506,195,200.21 × 218,033,495.81
  4. Step 4: Simplify right side
    366,712,729.42x = 110,367,509,063,484,064
  5. Step 5: Solve for x
    x = 110,367,509,063,484,064/366,712,729.42
  6. Step 6: Final answer
    x = 300,964,488.58

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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.