Home / 565,877,957.76-780,911,461.44-314,976,939.12

Finding the Fourth Proportional to 565,877,957.76, 780,911,461.44 and 314,976,939.12

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Solution

The fourth proportional to 565,877,957.76, 780,911,461.44 and 314,976,939.12 is: 434,668,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,877,957.76 : 780,911,461.44 = 314,976,939.12 : x
  2. Step 2: Convert to fraction form
    565,877,957.76/780,911,461.44 = 314,976,939.12/x
  3. Step 3: Cross multiply
    565,877,957.76x = 780,911,461.44 × 314,976,939.12
  4. Step 4: Simplify right side
    565,877,957.76x = 245,969,101,848,097,120
  5. Step 5: Solve for x
    x = 245,969,101,848,097,120/565,877,957.76
  6. Step 6: Final answer
    x = 434,668,109.04

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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.