Home / 2,111,877,858.55-3,167,937,846.39-559,128,831.88

Finding the Fourth Proportional to 2,111,877,858.55, 3,167,937,846.39 and 559,128,831.88

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Solution

The fourth proportional to 2,111,877,858.55, 3,167,937,846.39 and 559,128,831.88 is: 838,725,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,877,858.55 : 3,167,937,846.39 = 559,128,831.88 : x
  2. Step 2: Convert to fraction form
    2,111,877,858.55/3,167,937,846.39 = 559,128,831.88/x
  3. Step 3: Cross multiply
    2,111,877,858.55x = 3,167,937,846.39 × 559,128,831.88
  4. Step 4: Simplify right side
    2,111,877,858.55x = 1,771,285,387,520,483,584
  5. Step 5: Solve for x
    x = 1,771,285,387,520,483,584/2,111,877,858.55
  6. Step 6: Final answer
    x = 838,725,298.60

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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.