Home / 540,642,571.32-811,044,809.28-195,676,910.64

Finding the Fourth Proportional to 540,642,571.32, 811,044,809.28 and 195,676,910.64

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Solution

The fourth proportional to 540,642,571.32, 811,044,809.28 and 195,676,910.64 is: 293,544,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,642,571.32 : 811,044,809.28 = 195,676,910.64 : x
  2. Step 2: Convert to fraction form
    540,642,571.32/811,044,809.28 = 195,676,910.64/x
  3. Step 3: Cross multiply
    540,642,571.32x = 811,044,809.28 × 195,676,910.64
  4. Step 4: Simplify right side
    540,642,571.32x = 158,702,742,670,518,400
  5. Step 5: Solve for x
    x = 158,702,742,670,518,400/540,642,571.32
  6. Step 6: Final answer
    x = 293,544,665.35

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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.