Home / 827,143,411.65-1,240,715,117.48-736,745,297.55

Finding the Fourth Proportional to 827,143,411.65, 1,240,715,117.48 and 736,745,297.55

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Solution

The fourth proportional to 827,143,411.65, 1,240,715,117.48 and 736,745,297.55 is: 1,105,117,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,143,411.65 : 1,240,715,117.48 = 736,745,297.55 : x
  2. Step 2: Convert to fraction form
    827,143,411.65/1,240,715,117.48 = 736,745,297.55/x
  3. Step 3: Cross multiply
    827,143,411.65x = 1,240,715,117.48 × 736,745,297.55
  4. Step 4: Simplify right side
    827,143,411.65x = 914,091,028,398,901,888
  5. Step 5: Solve for x
    x = 914,091,028,398,901,888/827,143,411.65
  6. Step 6: Final answer
    x = 1,105,117,946.33

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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.