Home / 724,802,736.08-1,087,197,157.02-429,485,276.72

Finding the Fourth Proportional to 724,802,736.08, 1,087,197,157.02 and 429,485,276.72

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Solution

The fourth proportional to 724,802,736.08, 1,087,197,157.02 and 429,485,276.72 is: 644,223,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,802,736.08 : 1,087,197,157.02 = 429,485,276.72 : x
  2. Step 2: Convert to fraction form
    724,802,736.08/1,087,197,157.02 = 429,485,276.72/x
  3. Step 3: Cross multiply
    724,802,736.08x = 1,087,197,157.02 × 429,485,276.72
  4. Step 4: Simplify right side
    724,802,736.08x = 466,935,171,831,932,032
  5. Step 5: Solve for x
    x = 466,935,171,831,932,032/724,802,736.08
  6. Step 6: Final answer
    x = 644,223,798.54

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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.