Home / 1,436,926,498.90-2,155,389,748.35-977,761,474.90

Finding the Fourth Proportional to 1,436,926,498.90, 2,155,389,748.35 and 977,761,474.90

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Solution

The fourth proportional to 1,436,926,498.90, 2,155,389,748.35 and 977,761,474.90 is: 1,466,642,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,926,498.90 : 2,155,389,748.35 = 977,761,474.90 : x
  2. Step 2: Convert to fraction form
    1,436,926,498.90/2,155,389,748.35 = 977,761,474.90/x
  3. Step 3: Cross multiply
    1,436,926,498.90x = 2,155,389,748.35 × 977,761,474.90
  4. Step 4: Simplify right side
    1,436,926,498.90x = 2,107,457,059,331,035,648
  5. Step 5: Solve for x
    x = 2,107,457,059,331,035,648/1,436,926,498.90
  6. Step 6: Final answer
    x = 1,466,642,212.35

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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.