Home / 1,129,074,153.86-1,558,030,983.55-652,795,080.53

Finding the Fourth Proportional to 1,129,074,153.86, 1,558,030,983.55 and 652,795,080.53

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Solution

The fourth proportional to 1,129,074,153.86, 1,558,030,983.55 and 652,795,080.53 is: 900,804,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,074,153.86 : 1,558,030,983.55 = 652,795,080.53 : x
  2. Step 2: Convert to fraction form
    1,129,074,153.86/1,558,030,983.55 = 652,795,080.53/x
  3. Step 3: Cross multiply
    1,129,074,153.86x = 1,558,030,983.55 × 652,795,080.53
  4. Step 4: Simplify right side
    1,129,074,153.86x = 1,017,074,961,365,335,168
  5. Step 5: Solve for x
    x = 1,017,074,961,365,335,168/1,129,074,153.86
  6. Step 6: Final answer
    x = 900,804,396.14

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Double scale
Find fourth proportional to 1,129,074,154.86, 1,558,030,984.93 and 652,795,081.53
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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.