Home / 885,719,607.60-1,328,579,411.40-367,977,975.60

Finding the Fourth Proportional to 885,719,607.60, 1,328,579,411.40 and 367,977,975.60

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Solution

The fourth proportional to 885,719,607.60, 1,328,579,411.40 and 367,977,975.60 is: 551,966,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,719,607.60 : 1,328,579,411.40 = 367,977,975.60 : x
  2. Step 2: Convert to fraction form
    885,719,607.60/1,328,579,411.40 = 367,977,975.60/x
  3. Step 3: Cross multiply
    885,719,607.60x = 1,328,579,411.40 × 367,977,975.60
  4. Step 4: Simplify right side
    885,719,607.60x = 488,887,962,230,811,648
  5. Step 5: Solve for x
    x = 488,887,962,230,811,648/885,719,607.60
  6. Step 6: Final answer
    x = 551,966,963.40

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Half scale
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Double scale
Find fourth proportional to 885,719,608.60, 1,328,579,412.90 and 367,977,976.60
Similar ratio
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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.