Home / 4,709,620,843.20-7,064,431,264.80-1,438,064,798.40

Finding the Fourth Proportional to 4,709,620,843.20, 7,064,431,264.80 and 1,438,064,798.40

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Solution

The fourth proportional to 4,709,620,843.20, 7,064,431,264.80 and 1,438,064,798.40 is: 2,157,097,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709,620,843.20 : 7,064,431,264.80 = 1,438,064,798.40 : x
  2. Step 2: Convert to fraction form
    4,709,620,843.20/7,064,431,264.80 = 1,438,064,798.40/x
  3. Step 3: Cross multiply
    4,709,620,843.20x = 7,064,431,264.80 × 1,438,064,798.40
  4. Step 4: Simplify right side
    4,709,620,843.20x = 10,159,109,922,625,269,760
  5. Step 5: Solve for x
    x = 10,159,109,922,625,269,760/4,709,620,843.20
  6. Step 6: Final answer
    x = 2,157,097,197.60

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1.5x scale

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.