Home / 28,938,193,399.12-43,402,475,577.26-8,764,822,939.20

Finding the Fourth Proportional to 28,938,193,399.12, 43,402,475,577.26 and 8,764,822,939.20

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Solution

The fourth proportional to 28,938,193,399.12, 43,402,475,577.26 and 8,764,822,939.20 is: 13,145,776,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938,193,399.12 : 43,402,475,577.26 = 8,764,822,939.20 : x
  2. Step 2: Convert to fraction form
    28,938,193,399.12/43,402,475,577.26 = 8,764,822,939.20/x
  3. Step 3: Cross multiply
    28,938,193,399.12x = 43,402,475,577.26 × 8,764,822,939.20
  4. Step 4: Simplify right side
    28,938,193,399.12x = 380,415,013,557,636,235,264
  5. Step 5: Solve for x
    x = 380,415,013,557,636,235,264/28,938,193,399.12
  6. Step 6: Final answer
    x = 13,145,776,182.74

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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.