Home / 843,789,785.60-1,164,319,478.71-486,570,756.03

Finding the Fourth Proportional to 843,789,785.60, 1,164,319,478.71 and 486,570,756.03

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Solution

The fourth proportional to 843,789,785.60, 1,164,319,478.71 and 486,570,756.03 is: 671,403,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,789,785.60 : 1,164,319,478.71 = 486,570,756.03 : x
  2. Step 2: Convert to fraction form
    843,789,785.60/1,164,319,478.71 = 486,570,756.03/x
  3. Step 3: Cross multiply
    843,789,785.60x = 1,164,319,478.71 × 486,570,756.03
  4. Step 4: Simplify right side
    843,789,785.60x = 566,523,809,016,380,160
  5. Step 5: Solve for x
    x = 566,523,809,016,380,160/843,789,785.60
  6. Step 6: Final answer
    x = 671,403,966.59

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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.