Home / 559,777,528.32-772,528,538.88-312,258,378.24

Finding the Fourth Proportional to 559,777,528.32, 772,528,538.88 and 312,258,378.24

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Solution

The fourth proportional to 559,777,528.32, 772,528,538.88 and 312,258,378.24 is: 430,936,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,777,528.32 : 772,528,538.88 = 312,258,378.24 : x
  2. Step 2: Convert to fraction form
    559,777,528.32/772,528,538.88 = 312,258,378.24/x
  3. Step 3: Cross multiply
    559,777,528.32x = 772,528,538.88 × 312,258,378.24
  4. Step 4: Simplify right side
    559,777,528.32x = 241,228,508,694,785,600
  5. Step 5: Solve for x
    x = 241,228,508,694,785,600/559,777,528.32
  6. Step 6: Final answer
    x = 430,936,392.57

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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.