Home / 672,020,213-927,388,518.90-362,970,869

Finding the Fourth Proportional to 672,020,213, 927,388,518.90 and 362,970,869

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Solution

The fourth proportional to 672,020,213, 927,388,518.90 and 362,970,869 is: 500,900,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,020,213 : 927,388,518.90 = 362,970,869 : x
  2. Step 2: Convert to fraction form
    672,020,213/927,388,518.90 = 362,970,869/x
  3. Step 3: Cross multiply
    672,020,213x = 927,388,518.90 × 362,970,869
  4. Step 4: Simplify right side
    672,020,213x = 336,615,016,605,755,904
  5. Step 5: Solve for x
    x = 336,615,016,605,755,904/672,020,213
  6. Step 6: Final answer
    x = 500,900,136.77

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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.