Home / 561,911,139.36-843,157,333.53-407,736,059.31

Finding the Fourth Proportional to 561,911,139.36, 843,157,333.53 and 407,736,059.31

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Solution

The fourth proportional to 561,911,139.36, 843,157,333.53 and 407,736,059.31 is: 611,814,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,911,139.36 : 843,157,333.53 = 407,736,059.31 : x
  2. Step 2: Convert to fraction form
    561,911,139.36/843,157,333.53 = 407,736,059.31/x
  3. Step 3: Cross multiply
    561,911,139.36x = 843,157,333.53 × 407,736,059.31
  4. Step 4: Simplify right side
    561,911,139.36x = 343,785,648,551,849,536
  5. Step 5: Solve for x
    x = 343,785,648,551,849,536/561,911,139.36
  6. Step 6: Final answer
    x = 611,814,972.99

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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.