Home / 472,392,023.80-708,588,035.70-239,939,730.40

Finding the Fourth Proportional to 472,392,023.80, 708,588,035.70 and 239,939,730.40

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Solution

The fourth proportional to 472,392,023.80, 708,588,035.70 and 239,939,730.40 is: 359,909,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,023.80 : 708,588,035.70 = 239,939,730.40 : x
  2. Step 2: Convert to fraction form
    472,392,023.80/708,588,035.70 = 239,939,730.40/x
  3. Step 3: Cross multiply
    472,392,023.80x = 708,588,035.70 × 239,939,730.40
  4. Step 4: Simplify right side
    472,392,023.80x = 170,018,422,250,523,584
  5. Step 5: Solve for x
    x = 170,018,422,250,523,584/472,392,023.80
  6. Step 6: Final answer
    x = 359,909,595.60

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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.