Home / 205,009,812,378.40-307,402,615,484.40-162,785,942,903.20

Finding the Fourth Proportional to 205,009,812,378.40, 307,402,615,484.40 and 162,785,942,903.20

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Solution

The fourth proportional to 205,009,812,378.40, 307,402,615,484.40 and 162,785,942,903.20 is: 244,089,900,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,009,812,378.40 : 307,402,615,484.40 = 162,785,942,903.20 : x
  2. Step 2: Convert to fraction form
    205,009,812,378.40/307,402,615,484.40 = 162,785,942,903.20/x
  3. Step 3: Cross multiply
    205,009,812,378.40x = 307,402,615,484.40 × 162,785,942,903.20
  4. Step 4: Simplify right side
    205,009,812,378.40x = 50,040,824,612,537,887,621,120
  5. Step 5: Solve for x
    x = 50,040,824,612,537,887,621,120/205,009,812,378.40
  6. Step 6: Final answer
    x = 244,089,900,049.15

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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.