Home / 10,507,566,278.90-15,750,953,770.35-4,977,103,661.30

Finding the Fourth Proportional to 10,507,566,278.90, 15,750,953,770.35 and 4,977,103,661.30

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Solution

The fourth proportional to 10,507,566,278.90, 15,750,953,770.35 and 4,977,103,661.30 is: 7,460,731,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507,566,278.90 : 15,750,953,770.35 = 4,977,103,661.30 : x
  2. Step 2: Convert to fraction form
    10,507,566,278.90/15,750,953,770.35 = 4,977,103,661.30/x
  3. Step 3: Cross multiply
    10,507,566,278.90x = 15,750,953,770.35 × 4,977,103,661.30
  4. Step 4: Simplify right side
    10,507,566,278.90x = 78,394,129,679,376,023,552
  5. Step 5: Solve for x
    x = 78,394,129,679,376,023,552/10,507,566,278.90
  6. Step 6: Final answer
    x = 7,460,731,400.46

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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.