Home / 1,161,118,173.12-1,602,297,764.06-709,751,816.16

Finding the Fourth Proportional to 1,161,118,173.12, 1,602,297,764.06 and 709,751,816.16

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Solution

The fourth proportional to 1,161,118,173.12, 1,602,297,764.06 and 709,751,816.16 is: 979,429,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,118,173.12 : 1,602,297,764.06 = 709,751,816.16 : x
  2. Step 2: Convert to fraction form
    1,161,118,173.12/1,602,297,764.06 = 709,751,816.16/x
  3. Step 3: Cross multiply
    1,161,118,173.12x = 1,602,297,764.06 × 709,751,816.16
  4. Step 4: Simplify right side
    1,161,118,173.12x = 1,137,233,748,070,692,096
  5. Step 5: Solve for x
    x = 1,137,233,748,070,692,096/1,161,118,173.12
  6. Step 6: Final answer
    x = 979,429,806.89

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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.