Home / 526,293,547.80-788,590,016.10-331,857,000.60

Finding the Fourth Proportional to 526,293,547.80, 788,590,016.10 and 331,857,000.60

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Solution

The fourth proportional to 526,293,547.80, 788,590,016.10 and 331,857,000.60 is: 497,249,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,293,547.80 : 788,590,016.10 = 331,857,000.60 : x
  2. Step 2: Convert to fraction form
    526,293,547.80/788,590,016.10 = 331,857,000.60/x
  3. Step 3: Cross multiply
    526,293,547.80x = 788,590,016.10 × 331,857,000.60
  4. Step 4: Simplify right side
    526,293,547.80x = 261,699,117,446,051,744
  5. Step 5: Solve for x
    x = 261,699,117,446,051,744/526,293,547.80
  6. Step 6: Final answer
    x = 497,249,336.50

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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.