Home / 1,239,798,967.48-1,710,922,421.60-682,882,014.61

Finding the Fourth Proportional to 1,239,798,967.48, 1,710,922,421.60 and 682,882,014.61

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Solution

The fourth proportional to 1,239,798,967.48, 1,710,922,421.60 and 682,882,014.61 is: 942,377,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,798,967.48 : 1,710,922,421.60 = 682,882,014.61 : x
  2. Step 2: Convert to fraction form
    1,239,798,967.48/1,710,922,421.60 = 682,882,014.61/x
  3. Step 3: Cross multiply
    1,239,798,967.48x = 1,710,922,421.60 × 682,882,014.61
  4. Step 4: Simplify right side
    1,239,798,967.48x = 1,168,358,150,103,627,776
  5. Step 5: Solve for x
    x = 1,168,358,150,103,627,776/1,239,798,967.48
  6. Step 6: Final answer
    x = 942,377,095.60

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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.