Home / 7,113,889,558.86-9,817,226,079.48-3,942,126,443.94

Finding the Fourth Proportional to 7,113,889,558.86, 9,817,226,079.48 and 3,942,126,443.94

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Solution

The fourth proportional to 7,113,889,558.86, 9,817,226,079.48 and 3,942,126,443.94 is: 5,440,166,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,889,558.86 : 9,817,226,079.48 = 3,942,126,443.94 : x
  2. Step 2: Convert to fraction form
    7,113,889,558.86/9,817,226,079.48 = 3,942,126,443.94/x
  3. Step 3: Cross multiply
    7,113,889,558.86x = 9,817,226,079.48 × 3,942,126,443.94
  4. Step 4: Simplify right side
    7,113,889,558.86x = 38,700,746,534,055,518,208
  5. Step 5: Solve for x
    x = 38,700,746,534,055,518,208/7,113,889,558.86
  6. Step 6: Final answer
    x = 5,440,166,903.61

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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.