Home / 28,435,589,572-39,241,244,697.76-15,748,059,254.40

Finding the Fourth Proportional to 28,435,589,572, 39,241,244,697.76 and 15,748,059,254.40

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Solution

The fourth proportional to 28,435,589,572, 39,241,244,697.76 and 15,748,059,254.40 is: 21,732,394,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435,589,572 : 39,241,244,697.76 = 15,748,059,254.40 : x
  2. Step 2: Convert to fraction form
    28,435,589,572/39,241,244,697.76 = 15,748,059,254.40/x
  3. Step 3: Cross multiply
    28,435,589,572x = 39,241,244,697.76 × 15,748,059,254.40
  4. Step 4: Simplify right side
    28,435,589,572x = 617,973,446,716,734,308,352
  5. Step 5: Solve for x
    x = 617,973,446,716,734,308,352/28,435,589,572
  6. Step 6: Final answer
    x = 21,732,394,369.81

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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.