Home / 1,226,579,447.40-1,839,869,171.10-736,803,421.80

Finding the Fourth Proportional to 1,226,579,447.40, 1,839,869,171.10 and 736,803,421.80

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Solution

The fourth proportional to 1,226,579,447.40, 1,839,869,171.10 and 736,803,421.80 is: 1,105,205,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,579,447.40 : 1,839,869,171.10 = 736,803,421.80 : x
  2. Step 2: Convert to fraction form
    1,226,579,447.40/1,839,869,171.10 = 736,803,421.80/x
  3. Step 3: Cross multiply
    1,226,579,447.40x = 1,839,869,171.10 × 736,803,421.80
  4. Step 4: Simplify right side
    1,226,579,447.40x = 1,355,621,900,930,809,600
  5. Step 5: Solve for x
    x = 1,355,621,900,930,809,600/1,226,579,447.40
  6. Step 6: Final answer
    x = 1,105,205,132.70

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Double scale
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1.5x scale

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.