Home / 708,588,905.40-1,062,883,358.10-656,932,840.20

Finding the Fourth Proportional to 708,588,905.40, 1,062,883,358.10 and 656,932,840.20

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Solution

The fourth proportional to 708,588,905.40, 1,062,883,358.10 and 656,932,840.20 is: 985,399,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,905.40 : 1,062,883,358.10 = 656,932,840.20 : x
  2. Step 2: Convert to fraction form
    708,588,905.40/1,062,883,358.10 = 656,932,840.20/x
  3. Step 3: Cross multiply
    708,588,905.40x = 1,062,883,358.10 × 656,932,840.20
  4. Step 4: Simplify right side
    708,588,905.40x = 698,242,983,237,946,752
  5. Step 5: Solve for x
    x = 698,242,983,237,946,752/708,588,905.40
  6. Step 6: Final answer
    x = 985,399,260.30

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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.