Home / 7,115,095,930.38-9,818,833,314.66-3,943,484,607.36

Finding the Fourth Proportional to 7,115,095,930.38, 9,818,833,314.66 and 3,943,484,607.36

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Solution

The fourth proportional to 7,115,095,930.38, 9,818,833,314.66 and 3,943,484,607.36 is: 5,442,009,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,095,930.38 : 9,818,833,314.66 = 3,943,484,607.36 : x
  2. Step 2: Convert to fraction form
    7,115,095,930.38/9,818,833,314.66 = 3,943,484,607.36/x
  3. Step 3: Cross multiply
    7,115,095,930.38x = 9,818,833,314.66 × 3,943,484,607.36
  4. Step 4: Simplify right side
    7,115,095,930.38x = 38,720,418,038,595,280,896
  5. Step 5: Solve for x
    x = 38,720,418,038,595,280,896/7,115,095,930.38
  6. Step 6: Final answer
    x = 5,442,009,274.01

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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.