Home / 827,891,661.60-1,241,837,492.40-787,580,877.60

Finding the Fourth Proportional to 827,891,661.60, 1,241,837,492.40 and 787,580,877.60

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Solution

The fourth proportional to 827,891,661.60, 1,241,837,492.40 and 787,580,877.60 is: 1,181,371,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,891,661.60 : 1,241,837,492.40 = 787,580,877.60 : x
  2. Step 2: Convert to fraction form
    827,891,661.60/1,241,837,492.40 = 787,580,877.60/x
  3. Step 3: Cross multiply
    827,891,661.60x = 1,241,837,492.40 × 787,580,877.60
  4. Step 4: Simplify right side
    827,891,661.60x = 978,047,462,100,975,488
  5. Step 5: Solve for x
    x = 978,047,462,100,975,488/827,891,661.60
  6. Step 6: Final answer
    x = 1,181,371,316.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.