Home / 530,206,095,007.12-731,684,383,123.56-286,335,540,394.64

Finding the Fourth Proportional to 530,206,095,007.12, 731,684,383,123.56 and 286,335,540,394.64

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Solution

The fourth proportional to 530,206,095,007.12, 731,684,383,123.56 and 286,335,540,394.64 is: 395,143,030,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,206,095,007.12 : 731,684,383,123.56 = 286,335,540,394.64 : x
  2. Step 2: Convert to fraction form
    530,206,095,007.12/731,684,383,123.56 = 286,335,540,394.64/x
  3. Step 3: Cross multiply
    530,206,095,007.12x = 731,684,383,123.56 × 286,335,540,394.64
  4. Step 4: Simplify right side
    530,206,095,007.12x = 209,507,243,240,003,408,494,592
  5. Step 5: Solve for x
    x = 209,507,243,240,003,408,494,592/530,206,095,007.12
  6. Step 6: Final answer
    x = 395,143,030,630.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.