Home / 561,864,221.63-842,877,086.56-173,717,319.21

Finding the Fourth Proportional to 561,864,221.63, 842,877,086.56 and 173,717,319.21

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Solution

The fourth proportional to 561,864,221.63, 842,877,086.56 and 173,717,319.21 is: 260,600,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,864,221.63 : 842,877,086.56 = 173,717,319.21 : x
  2. Step 2: Convert to fraction form
    561,864,221.63/842,877,086.56 = 173,717,319.21/x
  3. Step 3: Cross multiply
    561,864,221.63x = 842,877,086.56 × 173,717,319.21
  4. Step 4: Simplify right side
    561,864,221.63x = 146,422,347,901,880,224
  5. Step 5: Solve for x
    x = 146,422,347,901,880,224/561,864,221.63
  6. Step 6: Final answer
    x = 260,600,946.39

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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.