Home / 335,004,609.60-502,506,914.40-257,520,511.80

Finding the Fourth Proportional to 335,004,609.60, 502,506,914.40 and 257,520,511.80

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Solution

The fourth proportional to 335,004,609.60, 502,506,914.40 and 257,520,511.80 is: 386,280,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,004,609.60 : 502,506,914.40 = 257,520,511.80 : x
  2. Step 2: Convert to fraction form
    335,004,609.60/502,506,914.40 = 257,520,511.80/x
  3. Step 3: Cross multiply
    335,004,609.60x = 502,506,914.40 × 257,520,511.80
  4. Step 4: Simplify right side
    335,004,609.60x = 129,405,837,779,326,784
  5. Step 5: Solve for x
    x = 129,405,837,779,326,784/335,004,609.60
  6. Step 6: Final answer
    x = 386,280,767.70

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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.