Home / 786,833,848.14-1,085,925,928-447,824,753.20

Finding the Fourth Proportional to 786,833,848.14, 1,085,925,928 and 447,824,753.20

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Solution

The fourth proportional to 786,833,848.14, 1,085,925,928 and 447,824,753.20 is: 618,052,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,833,848.14 : 1,085,925,928 = 447,824,753.20 : x
  2. Step 2: Convert to fraction form
    786,833,848.14/1,085,925,928 = 447,824,753.20/x
  3. Step 3: Cross multiply
    786,833,848.14x = 1,085,925,928 × 447,824,753.20
  4. Step 4: Simplify right side
    786,833,848.14x = 486,304,510,700,080,960
  5. Step 5: Solve for x
    x = 486,304,510,700,080,960/786,833,848.14
  6. Step 6: Final answer
    x = 618,052,352.28

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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.