Home / 1,089,936,789.24-1,506,080,269.08-776,126,193.24

Finding the Fourth Proportional to 1,089,936,789.24, 1,506,080,269.08 and 776,126,193.24

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Solution

The fourth proportional to 1,089,936,789.24, 1,506,080,269.08 and 776,126,193.24 is: 1,072,455,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,936,789.24 : 1,506,080,269.08 = 776,126,193.24 : x
  2. Step 2: Convert to fraction form
    1,089,936,789.24/1,506,080,269.08 = 776,126,193.24/x
  3. Step 3: Cross multiply
    1,089,936,789.24x = 1,506,080,269.08 × 776,126,193.24
  4. Step 4: Simplify right side
    1,089,936,789.24x = 1,168,908,345,954,935,296
  5. Step 5: Solve for x
    x = 1,168,908,345,954,935,296/1,089,936,789.24
  6. Step 6: Final answer
    x = 1,072,455,171.25

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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.