Home / 927,288,002.70-1,390,932,004.05-655,190,210.70

Finding the Fourth Proportional to 927,288,002.70, 1,390,932,004.05 and 655,190,210.70

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Solution

The fourth proportional to 927,288,002.70, 1,390,932,004.05 and 655,190,210.70 is: 982,785,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,288,002.70 : 1,390,932,004.05 = 655,190,210.70 : x
  2. Step 2: Convert to fraction form
    927,288,002.70/1,390,932,004.05 = 655,190,210.70/x
  3. Step 3: Cross multiply
    927,288,002.70x = 1,390,932,004.05 × 655,190,210.70
  4. Step 4: Simplify right side
    927,288,002.70x = 911,325,032,802,892,800
  5. Step 5: Solve for x
    x = 911,325,032,802,892,800/927,288,002.70
  6. Step 6: Final answer
    x = 982,785,316.05

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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.