Home / 660,134,443.60-990,201,665.40-598,912,440.40

Finding the Fourth Proportional to 660,134,443.60, 990,201,665.40 and 598,912,440.40

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Solution

The fourth proportional to 660,134,443.60, 990,201,665.40 and 598,912,440.40 is: 898,368,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,134,443.60 : 990,201,665.40 = 598,912,440.40 : x
  2. Step 2: Convert to fraction form
    660,134,443.60/990,201,665.40 = 598,912,440.40/x
  3. Step 3: Cross multiply
    660,134,443.60x = 990,201,665.40 × 598,912,440.40
  4. Step 4: Simplify right side
    660,134,443.60x = 593,044,095,912,858,240
  5. Step 5: Solve for x
    x = 593,044,095,912,858,240/660,134,443.60
  6. Step 6: Final answer
    x = 898,368,660.60

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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.