Home / 1,417,220,893.60-1,955,821,460.88-790,744,074.40

Finding the Fourth Proportional to 1,417,220,893.60, 1,955,821,460.88 and 790,744,074.40

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Solution

The fourth proportional to 1,417,220,893.60, 1,955,821,460.88 and 790,744,074.40 is: 1,091,258,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,220,893.60 : 1,955,821,460.88 = 790,744,074.40 : x
  2. Step 2: Convert to fraction form
    1,417,220,893.60/1,955,821,460.88 = 790,744,074.40/x
  3. Step 3: Cross multiply
    1,417,220,893.60x = 1,955,821,460.88 × 790,744,074.40
  4. Step 4: Simplify right side
    1,417,220,893.60x = 1,546,554,230,775,211,520
  5. Step 5: Solve for x
    x = 1,546,554,230,775,211,520/1,417,220,893.60
  6. Step 6: Final answer
    x = 1,091,258,418.33

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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.