Home / 1,239,798,972.48-1,710,922,428.50-682,882,019.62

Finding the Fourth Proportional to 1,239,798,972.48, 1,710,922,428.50 and 682,882,019.62

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Solution

The fourth proportional to 1,239,798,972.48, 1,710,922,428.50 and 682,882,019.62 is: 942,377,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,798,972.48 : 1,710,922,428.50 = 682,882,019.62 : x
  2. Step 2: Convert to fraction form
    1,239,798,972.48/1,710,922,428.50 = 682,882,019.62/x
  3. Step 3: Cross multiply
    1,239,798,972.48x = 1,710,922,428.50 × 682,882,019.62
  4. Step 4: Simplify right side
    1,239,798,972.48x = 1,168,358,163,387,235,072
  5. Step 5: Solve for x
    x = 1,168,358,163,387,235,072/1,239,798,972.48
  6. Step 6: Final answer
    x = 942,377,102.52

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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.