Home / 219,096,579,205.40-328,644,868,808.10-204,294,459,320.60

Finding the Fourth Proportional to 219,096,579,205.40, 328,644,868,808.10 and 204,294,459,320.60

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Solution

The fourth proportional to 219,096,579,205.40, 328,644,868,808.10 and 204,294,459,320.60 is: 306,441,688,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,096,579,205.40 : 328,644,868,808.10 = 204,294,459,320.60 : x
  2. Step 2: Convert to fraction form
    219,096,579,205.40/328,644,868,808.10 = 204,294,459,320.60/x
  3. Step 3: Cross multiply
    219,096,579,205.40x = 328,644,868,808.10 × 204,294,459,320.60
  4. Step 4: Simplify right side
    219,096,579,205.40x = 67,140,325,781,640,308,588,544
  5. Step 5: Solve for x
    x = 67,140,325,781,640,308,588,544/219,096,579,205.40
  6. Step 6: Final answer
    x = 306,441,688,980.90

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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.