Home / 546,740,178.40-820,110,267.60-163,787,730.40

Finding the Fourth Proportional to 546,740,178.40, 820,110,267.60 and 163,787,730.40

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Solution

The fourth proportional to 546,740,178.40, 820,110,267.60 and 163,787,730.40 is: 245,681,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,740,178.40 : 820,110,267.60 = 163,787,730.40 : x
  2. Step 2: Convert to fraction form
    546,740,178.40/820,110,267.60 = 163,787,730.40/x
  3. Step 3: Cross multiply
    546,740,178.40x = 820,110,267.60 × 163,787,730.40
  4. Step 4: Simplify right side
    546,740,178.40x = 134,323,999,407,940,656
  5. Step 5: Solve for x
    x = 134,323,999,407,940,656/546,740,178.40
  6. Step 6: Final answer
    x = 245,681,595.60

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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.