Home / 386,655,050.32-533,583,939.84-210,444,309.10

Finding the Fourth Proportional to 386,655,050.32, 533,583,939.84 and 210,444,309.10

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Solution

The fourth proportional to 386,655,050.32, 533,583,939.84 and 210,444,309.10 is: 290,413,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,655,050.32 : 533,583,939.84 = 210,444,309.10 : x
  2. Step 2: Convert to fraction form
    386,655,050.32/533,583,939.84 = 210,444,309.10/x
  3. Step 3: Cross multiply
    386,655,050.32x = 533,583,939.84 × 210,444,309.10
  4. Step 4: Simplify right side
    386,655,050.32x = 112,289,703,565,150,800
  5. Step 5: Solve for x
    x = 112,289,703,565,150,800/386,655,050.32
  6. Step 6: Final answer
    x = 290,413,130.45

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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.