Home / 536,005,962.81-803,664,836.10-208,132,109.19

Finding the Fourth Proportional to 536,005,962.81, 803,664,836.10 and 208,132,109.19

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Solution

The fourth proportional to 536,005,962.81, 803,664,836.10 and 208,132,109.19 is: 312,064,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,005,962.81 : 803,664,836.10 = 208,132,109.19 : x
  2. Step 2: Convert to fraction form
    536,005,962.81/803,664,836.10 = 208,132,109.19/x
  3. Step 3: Cross multiply
    536,005,962.81x = 803,664,836.10 × 208,132,109.19
  4. Step 4: Simplify right side
    536,005,962.81x = 167,268,457,419,328,672
  5. Step 5: Solve for x
    x = 167,268,457,419,328,672/536,005,962.81
  6. Step 6: Final answer
    x = 312,064,545.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.