Home / 1,528,008,100.60-2,292,012,150.90-545,905,132.60

Finding the Fourth Proportional to 1,528,008,100.60, 2,292,012,150.90 and 545,905,132.60

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Solution

The fourth proportional to 1,528,008,100.60, 2,292,012,150.90 and 545,905,132.60 is: 818,857,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,008,100.60 : 2,292,012,150.90 = 545,905,132.60 : x
  2. Step 2: Convert to fraction form
    1,528,008,100.60/2,292,012,150.90 = 545,905,132.60/x
  3. Step 3: Cross multiply
    1,528,008,100.60x = 2,292,012,150.90 × 545,905,132.60
  4. Step 4: Simplify right side
    1,528,008,100.60x = 1,251,221,197,157,875,712
  5. Step 5: Solve for x
    x = 1,251,221,197,157,875,712/1,528,008,100.60
  6. Step 6: Final answer
    x = 818,857,698.90

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Double scale
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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.