Home / 686,090,637.21-946,819,095.54-372,845,029.89

Finding the Fourth Proportional to 686,090,637.21, 946,819,095.54 and 372,845,029.89

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Solution

The fourth proportional to 686,090,637.21, 946,819,095.54 and 372,845,029.89 is: 514,533,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,090,637.21 : 946,819,095.54 = 372,845,029.89 : x
  2. Step 2: Convert to fraction form
    686,090,637.21/946,819,095.54 = 372,845,029.89/x
  3. Step 3: Cross multiply
    686,090,637.21x = 946,819,095.54 × 372,845,029.89
  4. Step 4: Simplify right side
    686,090,637.21x = 353,016,793,977,034,048
  5. Step 5: Solve for x
    x = 353,016,793,977,034,048/686,090,637.21
  6. Step 6: Final answer
    x = 514,533,758.12

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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.