Home / 559,777,530.32-772,528,541.64-312,258,380.24

Finding the Fourth Proportional to 559,777,530.32, 772,528,541.64 and 312,258,380.24

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Solution

The fourth proportional to 559,777,530.32, 772,528,541.64 and 312,258,380.24 is: 430,936,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,777,530.32 : 772,528,541.64 = 312,258,380.24 : x
  2. Step 2: Convert to fraction form
    559,777,530.32/772,528,541.64 = 312,258,380.24/x
  3. Step 3: Cross multiply
    559,777,530.32x = 772,528,541.64 × 312,258,380.24
  4. Step 4: Simplify right side
    559,777,530.32x = 241,228,511,101,675,808
  5. Step 5: Solve for x
    x = 241,228,511,101,675,808/559,777,530.32
  6. Step 6: Final answer
    x = 430,936,395.33

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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.