Home / 28,938,193,398.12-43,402,475,575.76-8,764,822,938.20

Finding the Fourth Proportional to 28,938,193,398.12, 43,402,475,575.76 and 8,764,822,938.20

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Solution

The fourth proportional to 28,938,193,398.12, 43,402,475,575.76 and 8,764,822,938.20 is: 13,145,776,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938,193,398.12 : 43,402,475,575.76 = 8,764,822,938.20 : x
  2. Step 2: Convert to fraction form
    28,938,193,398.12/43,402,475,575.76 = 8,764,822,938.20/x
  3. Step 3: Cross multiply
    28,938,193,398.12x = 43,402,475,575.76 × 8,764,822,938.20
  4. Step 4: Simplify right side
    28,938,193,398.12x = 380,415,013,501,086,531,584
  5. Step 5: Solve for x
    x = 380,415,013,501,086,531,584/28,938,193,398.12
  6. Step 6: Final answer
    x = 13,145,776,181.24

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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.