Home / 1,010,642,732.80-1,515,964,099.20-617,801,545.60

Finding the Fourth Proportional to 1,010,642,732.80, 1,515,964,099.20 and 617,801,545.60

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Solution

The fourth proportional to 1,010,642,732.80, 1,515,964,099.20 and 617,801,545.60 is: 926,702,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,642,732.80 : 1,515,964,099.20 = 617,801,545.60 : x
  2. Step 2: Convert to fraction form
    1,010,642,732.80/1,515,964,099.20 = 617,801,545.60/x
  3. Step 3: Cross multiply
    1,010,642,732.80x = 1,515,964,099.20 × 617,801,545.60
  4. Step 4: Simplify right side
    1,010,642,732.80x = 936,564,963,559,871,744
  5. Step 5: Solve for x
    x = 936,564,963,559,871,744/1,010,642,732.80
  6. Step 6: Final answer
    x = 926,702,318.40

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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.