Home / 386,713,171.08-533,670,985.08-210,506,231.16

Finding the Fourth Proportional to 386,713,171.08, 533,670,985.08 and 210,506,231.16

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Solution

The fourth proportional to 386,713,171.08, 533,670,985.08 and 210,506,231.16 is: 290,502,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,713,171.08 : 533,670,985.08 = 210,506,231.16 : x
  2. Step 2: Convert to fraction form
    386,713,171.08/533,670,985.08 = 210,506,231.16/x
  3. Step 3: Cross multiply
    386,713,171.08x = 533,670,985.08 × 210,506,231.16
  4. Step 4: Simplify right side
    386,713,171.08x = 112,341,067,748,635,392
  5. Step 5: Solve for x
    x = 112,341,067,748,635,392/386,713,171.08
  6. Step 6: Final answer
    x = 290,502,305.46

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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.