Home / 347,736,005.20-521,604,007.80-186,492,869.20

Finding the Fourth Proportional to 347,736,005.20, 521,604,007.80 and 186,492,869.20

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Solution

The fourth proportional to 347,736,005.20, 521,604,007.80 and 186,492,869.20 is: 279,739,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,005.20 : 521,604,007.80 = 186,492,869.20 : x
  2. Step 2: Convert to fraction form
    347,736,005.20/521,604,007.80 = 186,492,869.20/x
  3. Step 3: Cross multiply
    347,736,005.20x = 521,604,007.80 × 186,492,869.20
  4. Step 4: Simplify right side
    347,736,005.20x = 97,275,428,000,841,168
  5. Step 5: Solve for x
    x = 97,275,428,000,841,168/347,736,005.20
  6. Step 6: Final answer
    x = 279,739,303.80

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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.