Home / 1,600,627,397.63-2,208,865,808.72-868,065,989.63

Finding the Fourth Proportional to 1,600,627,397.63, 2,208,865,808.72 and 868,065,989.63

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Solution

The fourth proportional to 1,600,627,397.63, 2,208,865,808.72 and 868,065,989.63 is: 1,197,931,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,627,397.63 : 2,208,865,808.72 = 868,065,989.63 : x
  2. Step 2: Convert to fraction form
    1,600,627,397.63/2,208,865,808.72 = 868,065,989.63/x
  3. Step 3: Cross multiply
    1,600,627,397.63x = 2,208,865,808.72 × 868,065,989.63
  4. Step 4: Simplify right side
    1,600,627,397.63x = 1,917,441,284,197,436,160
  5. Step 5: Solve for x
    x = 1,917,441,284,197,436,160/1,600,627,397.63
  6. Step 6: Final answer
    x = 1,197,931,065.68

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Double scale
Find fourth proportional to 1,600,627,398.63, 2,208,865,810.10 and 868,065,990.63
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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.