Home / 1,528,816,238.57-2,109,733,341.30-885,099,318.48

Finding the Fourth Proportional to 1,528,816,238.57, 2,109,733,341.30 and 885,099,318.48

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Solution

The fourth proportional to 1,528,816,238.57, 2,109,733,341.30 and 885,099,318.48 is: 1,221,417,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,816,238.57 : 2,109,733,341.30 = 885,099,318.48 : x
  2. Step 2: Convert to fraction form
    1,528,816,238.57/2,109,733,341.30 = 885,099,318.48/x
  3. Step 3: Cross multiply
    1,528,816,238.57x = 2,109,733,341.30 × 885,099,318.48
  4. Step 4: Simplify right side
    1,528,816,238.57x = 1,867,323,542,559,163,136
  5. Step 5: Solve for x
    x = 1,867,323,542,559,163,136/1,528,816,238.57
  6. Step 6: Final answer
    x = 1,221,417,915.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.