Home / 578,565,071.91-798,406,218.76-340,425,680.89

Finding the Fourth Proportional to 578,565,071.91, 798,406,218.76 and 340,425,680.89

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Solution

The fourth proportional to 578,565,071.91, 798,406,218.76 and 340,425,680.89 is: 469,779,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,565,071.91 : 798,406,218.76 = 340,425,680.89 : x
  2. Step 2: Convert to fraction form
    578,565,071.91/798,406,218.76 = 340,425,680.89/x
  3. Step 3: Cross multiply
    578,565,071.91x = 798,406,218.76 × 340,425,680.89
  4. Step 4: Simplify right side
    578,565,071.91x = 271,797,980,646,481,152
  5. Step 5: Solve for x
    x = 271,797,980,646,481,152/578,565,071.91
  6. Step 6: Final answer
    x = 469,779,448.92

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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.