Home / 1,186,992,803.79-1,778,241,831.73-792,329,603.20

Finding the Fourth Proportional to 1,186,992,803.79, 1,778,241,831.73 and 792,329,603.20

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Solution

The fourth proportional to 1,186,992,803.79, 1,778,241,831.73 and 792,329,603.20 is: 1,186,994,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,992,803.79 : 1,778,241,831.73 = 792,329,603.20 : x
  2. Step 2: Convert to fraction form
    1,186,992,803.79/1,778,241,831.73 = 792,329,603.20/x
  3. Step 3: Cross multiply
    1,186,992,803.79x = 1,778,241,831.73 × 792,329,603.20
  4. Step 4: Simplify right side
    1,186,992,803.79x = 1,408,953,644,921,845,504
  5. Step 5: Solve for x
    x = 1,408,953,644,921,845,504/1,186,992,803.79
  6. Step 6: Final answer
    x = 1,186,994,260.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.