Home / 1,006,571,538.39-1,388,353,185.90-671,875,311

Finding the Fourth Proportional to 1,006,571,538.39, 1,388,353,185.90 and 671,875,311

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Solution

The fourth proportional to 1,006,571,538.39, 1,388,353,185.90 and 671,875,311 is: 926,710,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,571,538.39 : 1,388,353,185.90 = 671,875,311 : x
  2. Step 2: Convert to fraction form
    1,006,571,538.39/1,388,353,185.90 = 671,875,311/x
  3. Step 3: Cross multiply
    1,006,571,538.39x = 1,388,353,185.90 × 671,875,311
  4. Step 4: Simplify right side
    1,006,571,538.39x = 932,800,228,554,403,328
  5. Step 5: Solve for x
    x = 932,800,228,554,403,328/1,006,571,538.39
  6. Step 6: Final answer
    x = 926,710,316.14

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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.