Home / 549,848,881.80-824,773,322.70-317,396,588.40

Finding the Fourth Proportional to 549,848,881.80, 824,773,322.70 and 317,396,588.40

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Solution

The fourth proportional to 549,848,881.80, 824,773,322.70 and 317,396,588.40 is: 476,094,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,848,881.80 : 824,773,322.70 = 317,396,588.40 : x
  2. Step 2: Convert to fraction form
    549,848,881.80/824,773,322.70 = 317,396,588.40/x
  3. Step 3: Cross multiply
    549,848,881.80x = 824,773,322.70 × 317,396,588.40
  4. Step 4: Simplify right side
    549,848,881.80x = 261,780,238,828,312,288
  5. Step 5: Solve for x
    x = 261,780,238,828,312,288/549,848,881.80
  6. Step 6: Final answer
    x = 476,094,882.60

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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.