Home / 1,113,305,175.36-1,536,319,051.56-618,299,770.32

Finding the Fourth Proportional to 1,113,305,175.36, 1,536,319,051.56 and 618,299,770.32

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Solution

The fourth proportional to 1,113,305,175.36, 1,536,319,051.56 and 618,299,770.32 is: 853,230,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,305,175.36 : 1,536,319,051.56 = 618,299,770.32 : x
  2. Step 2: Convert to fraction form
    1,113,305,175.36/1,536,319,051.56 = 618,299,770.32/x
  3. Step 3: Cross multiply
    1,113,305,175.36x = 1,536,319,051.56 × 618,299,770.32
  4. Step 4: Simplify right side
    1,113,305,175.36x = 949,905,716,717,788,288
  5. Step 5: Solve for x
    x = 949,905,716,717,788,288/1,113,305,175.36
  6. Step 6: Final answer
    x = 853,230,307.14

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Double scale
Find fourth proportional to 1,113,305,176.36, 1,536,319,052.94 and 618,299,771.32
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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.