Home / 3,935,250,933.85-5,430,646,545.74-2,151,111,454.21

Finding the Fourth Proportional to 3,935,250,933.85, 5,430,646,545.74 and 2,151,111,454.21

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Solution

The fourth proportional to 3,935,250,933.85, 5,430,646,545.74 and 2,151,111,454.21 is: 2,968,533,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,250,933.85 : 5,430,646,545.74 = 2,151,111,454.21 : x
  2. Step 2: Convert to fraction form
    3,935,250,933.85/5,430,646,545.74 = 2,151,111,454.21/x
  3. Step 3: Cross multiply
    3,935,250,933.85x = 5,430,646,545.74 × 2,151,111,454.21
  4. Step 4: Simplify right side
    3,935,250,933.85x = 11,681,925,988,307,283,968
  5. Step 5: Solve for x
    x = 11,681,925,988,307,283,968/3,935,250,933.85
  6. Step 6: Final answer
    x = 2,968,533,947.31

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1.5x scale

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.