Home / 559,837,374.96-772,575,910.02-312,318,729.48

Finding the Fourth Proportional to 559,837,374.96, 772,575,910.02 and 312,318,729.48

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Solution

The fourth proportional to 559,837,374.96, 772,575,910.02 and 312,318,729.48 is: 431,000,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,837,374.96 : 772,575,910.02 = 312,318,729.48 : x
  2. Step 2: Convert to fraction form
    559,837,374.96/772,575,910.02 = 312,318,729.48/x
  3. Step 3: Cross multiply
    559,837,374.96x = 772,575,910.02 × 312,318,729.48
  4. Step 4: Simplify right side
    559,837,374.96x = 241,289,926,644,301,216
  5. Step 5: Solve for x
    x = 241,289,926,644,301,216/559,837,374.96
  6. Step 6: Final answer
    x = 431,000,032.22

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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.