Home / 7,343,760,984.12-10,134,424,477.80-4,172,118,937.20

Finding the Fourth Proportional to 7,343,760,984.12, 10,134,424,477.80 and 4,172,118,937.20

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Solution

The fourth proportional to 7,343,760,984.12, 10,134,424,477.80 and 4,172,118,937.20 is: 5,757,543,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343,760,984.12 : 10,134,424,477.80 = 4,172,118,937.20 : x
  2. Step 2: Convert to fraction form
    7,343,760,984.12/10,134,424,477.80 = 4,172,118,937.20/x
  3. Step 3: Cross multiply
    7,343,760,984.12x = 10,134,424,477.80 × 4,172,118,937.20
  4. Step 4: Simplify right side
    7,343,760,984.12x = 42,282,024,281,452,593,152
  5. Step 5: Solve for x
    x = 42,282,024,281,452,593,152/7,343,760,984.12
  6. Step 6: Final answer
    x = 5,757,543,630.97

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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.