Home / 564,905,746.72-779,579,254.20-310,597,848.64

Finding the Fourth Proportional to 564,905,746.72, 779,579,254.20 and 310,597,848.64

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Solution

The fourth proportional to 564,905,746.72, 779,579,254.20 and 310,597,848.64 is: 428,630,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,905,746.72 : 779,579,254.20 = 310,597,848.64 : x
  2. Step 2: Convert to fraction form
    564,905,746.72/779,579,254.20 = 310,597,848.64/x
  3. Step 3: Cross multiply
    564,905,746.72x = 779,579,254.20 × 310,597,848.64
  4. Step 4: Simplify right side
    564,905,746.72x = 242,135,639,198,895,680
  5. Step 5: Solve for x
    x = 242,135,639,198,895,680/564,905,746.72
  6. Step 6: Final answer
    x = 428,630,157.52

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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.