Home / 384,035,323.64-529,968,728.61-207,823,298.94

Finding the Fourth Proportional to 384,035,323.64, 529,968,728.61 and 207,823,298.94

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Solution

The fourth proportional to 384,035,323.64, 529,968,728.61 and 207,823,298.94 is: 286,796,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,035,323.64 : 529,968,728.61 = 207,823,298.94 : x
  2. Step 2: Convert to fraction form
    384,035,323.64/529,968,728.61 = 207,823,298.94/x
  3. Step 3: Cross multiply
    384,035,323.64x = 529,968,728.61 × 207,823,298.94
  4. Step 4: Simplify right side
    384,035,323.64x = 110,139,849,514,767,760
  5. Step 5: Solve for x
    x = 110,139,849,514,767,760/384,035,323.64
  6. Step 6: Final answer
    x = 286,796,142.79

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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.