Home / 386,237,412.08-533,017,730.28-210,035,712.56

Finding the Fourth Proportional to 386,237,412.08, 533,017,730.28 and 210,035,712.56

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Solution

The fourth proportional to 386,237,412.08, 533,017,730.28 and 210,035,712.56 is: 289,854,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,237,412.08 : 533,017,730.28 = 210,035,712.56 : x
  2. Step 2: Convert to fraction form
    386,237,412.08/533,017,730.28 = 210,035,712.56/x
  3. Step 3: Cross multiply
    386,237,412.08x = 533,017,730.28 × 210,035,712.56
  4. Step 4: Simplify right side
    386,237,412.08x = 111,952,758,786,473,680
  5. Step 5: Solve for x
    x = 111,952,758,786,473,680/386,237,412.08
  6. Step 6: Final answer
    x = 289,854,776.58

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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.