Home / 1,866,142,120.39-2,575,284,903.54-1,019,381,190.35

Finding the Fourth Proportional to 1,866,142,120.39, 2,575,284,903.54 and 1,019,381,190.35

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Solution

The fourth proportional to 1,866,142,120.39, 2,575,284,903.54 and 1,019,381,190.35 is: 1,406,750,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,142,120.39 : 2,575,284,903.54 = 1,019,381,190.35 : x
  2. Step 2: Convert to fraction form
    1,866,142,120.39/2,575,284,903.54 = 1,019,381,190.35/x
  3. Step 3: Cross multiply
    1,866,142,120.39x = 2,575,284,903.54 × 1,019,381,190.35
  4. Step 4: Simplify right side
    1,866,142,120.39x = 2,625,196,990,448,113,664
  5. Step 5: Solve for x
    x = 2,625,196,990,448,113,664/1,866,142,120.39
  6. Step 6: Final answer
    x = 1,406,750,837.34

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Double scale
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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.