Home / 1,310,973,536.25-1,965,182,185.13-523,792,498.23

Finding the Fourth Proportional to 1,310,973,536.25, 1,965,182,185.13 and 523,792,498.23

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Solution

The fourth proportional to 1,310,973,536.25, 1,965,182,185.13 and 523,792,498.23 is: 785,178,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,973,536.25 : 1,965,182,185.13 = 523,792,498.23 : x
  2. Step 2: Convert to fraction form
    1,310,973,536.25/1,965,182,185.13 = 523,792,498.23/x
  3. Step 3: Cross multiply
    1,310,973,536.25x = 1,965,182,185.13 × 523,792,498.23
  4. Step 4: Simplify right side
    1,310,973,536.25x = 1,029,347,686,223,714,176
  5. Step 5: Solve for x
    x = 1,029,347,686,223,714,176/1,310,973,536.25
  6. Step 6: Final answer
    x = 785,178,081.60

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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.