Home / 546,740,129.40-820,110,194.10-163,787,681.40

Finding the Fourth Proportional to 546,740,129.40, 820,110,194.10 and 163,787,681.40

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Solution

The fourth proportional to 546,740,129.40, 820,110,194.10 and 163,787,681.40 is: 245,681,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,740,129.40 : 820,110,194.10 = 163,787,681.40 : x
  2. Step 2: Convert to fraction form
    546,740,129.40/820,110,194.10 = 163,787,681.40/x
  3. Step 3: Cross multiply
    546,740,129.40x = 820,110,194.10 × 163,787,681.40
  4. Step 4: Simplify right side
    546,740,129.40x = 134,323,947,184,142,976
  5. Step 5: Solve for x
    x = 134,323,947,184,142,976/546,740,129.40
  6. Step 6: Final answer
    x = 245,681,522.10

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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.