Home / 546,740,135.40-820,110,203.10-163,787,687.40

Finding the Fourth Proportional to 546,740,135.40, 820,110,203.10 and 163,787,687.40

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Solution

The fourth proportional to 546,740,135.40, 820,110,203.10 and 163,787,687.40 is: 245,681,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,740,135.40 : 820,110,203.10 = 163,787,687.40 : x
  2. Step 2: Convert to fraction form
    546,740,135.40/820,110,203.10 = 163,787,687.40/x
  3. Step 3: Cross multiply
    546,740,135.40x = 820,110,203.10 × 163,787,687.40
  4. Step 4: Simplify right side
    546,740,135.40x = 134,323,953,578,893,312
  5. Step 5: Solve for x
    x = 134,323,953,578,893,312/546,740,135.40
  6. Step 6: Final answer
    x = 245,681,531.10

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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.