Home / 898,150,602.80-1,347,225,904.20-438,383,716.40

Finding the Fourth Proportional to 898,150,602.80, 1,347,225,904.20 and 438,383,716.40

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Solution

The fourth proportional to 898,150,602.80, 1,347,225,904.20 and 438,383,716.40 is: 657,575,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,150,602.80 : 1,347,225,904.20 = 438,383,716.40 : x
  2. Step 2: Convert to fraction form
    898,150,602.80/1,347,225,904.20 = 438,383,716.40/x
  3. Step 3: Cross multiply
    898,150,602.80x = 1,347,225,904.20 × 438,383,716.40
  4. Step 4: Simplify right side
    898,150,602.80x = 590,601,898,713,546,368
  5. Step 5: Solve for x
    x = 590,601,898,713,546,368/898,150,602.80
  6. Step 6: Final answer
    x = 657,575,574.60

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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.