Home / 1,436,926,532.40-2,155,389,798.60-977,761,508.40

Finding the Fourth Proportional to 1,436,926,532.40, 2,155,389,798.60 and 977,761,508.40

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Solution

The fourth proportional to 1,436,926,532.40, 2,155,389,798.60 and 977,761,508.40 is: 1,466,642,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,926,532.40 : 2,155,389,798.60 = 977,761,508.40 : x
  2. Step 2: Convert to fraction form
    1,436,926,532.40/2,155,389,798.60 = 977,761,508.40/x
  3. Step 3: Cross multiply
    1,436,926,532.40x = 2,155,389,798.60 × 977,761,508.40
  4. Step 4: Simplify right side
    1,436,926,532.40x = 2,107,457,180,669,107,968
  5. Step 5: Solve for x
    x = 2,107,457,180,669,107,968/1,436,926,532.40
  6. Step 6: Final answer
    x = 1,466,642,262.60

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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.