Home / 1,129,074,144.22-1,558,030,970.24-652,795,070.88

Finding the Fourth Proportional to 1,129,074,144.22, 1,558,030,970.24 and 652,795,070.88

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Solution

The fourth proportional to 1,129,074,144.22, 1,558,030,970.24 and 652,795,070.88 is: 900,804,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,074,144.22 : 1,558,030,970.24 = 652,795,070.88 : x
  2. Step 2: Convert to fraction form
    1,129,074,144.22/1,558,030,970.24 = 652,795,070.88/x
  3. Step 3: Cross multiply
    1,129,074,144.22x = 1,558,030,970.24 × 652,795,070.88
  4. Step 4: Simplify right side
    1,129,074,144.22x = 1,017,074,937,647,791,872
  5. Step 5: Solve for x
    x = 1,017,074,937,647,791,872/1,129,074,144.22
  6. Step 6: Final answer
    x = 900,804,382.83

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Double scale
Find fourth proportional to 1,129,074,145.22, 1,558,030,971.61 and 652,795,071.88
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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.