Home / 728,124,867.95-1,092,964,533.59-313,806,157.01

Finding the Fourth Proportional to 728,124,867.95, 1,092,964,533.59 and 313,806,157.01

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Solution

The fourth proportional to 728,124,867.95, 1,092,964,533.59 and 313,806,157.01 is: 471,044,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,124,867.95 : 1,092,964,533.59 = 313,806,157.01 : x
  2. Step 2: Convert to fraction form
    728,124,867.95/1,092,964,533.59 = 313,806,157.01/x
  3. Step 3: Cross multiply
    728,124,867.95x = 1,092,964,533.59 × 313,806,157.01
  4. Step 4: Simplify right side
    728,124,867.95x = 342,979,000,027,071,104
  5. Step 5: Solve for x
    x = 342,979,000,027,071,104/728,124,867.95
  6. Step 6: Final answer
    x = 471,044,205.63

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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.