Home / 384,916,856.40-577,346,280.12-122,590,826.64

Finding the Fourth Proportional to 384,916,856.40, 577,346,280.12 and 122,590,826.64

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Solution

The fourth proportional to 384,916,856.40, 577,346,280.12 and 122,590,826.64 is: 183,877,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,916,856.40 : 577,346,280.12 = 122,590,826.64 : x
  2. Step 2: Convert to fraction form
    384,916,856.40/577,346,280.12 = 122,590,826.64/x
  3. Step 3: Cross multiply
    384,916,856.40x = 577,346,280.12 × 122,590,826.64
  4. Step 4: Simplify right side
    384,916,856.40x = 70,777,357,737,439,800
  5. Step 5: Solve for x
    x = 70,777,357,737,439,800/384,916,856.40
  6. Step 6: Final answer
    x = 183,877,002.42

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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.