Home / 688,263,081.03-1,032,393,686.60-319,596,439.01

Finding the Fourth Proportional to 688,263,081.03, 1,032,393,686.60 and 319,596,439.01

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Solution

The fourth proportional to 688,263,081.03, 1,032,393,686.60 and 319,596,439.01 is: 479,394,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,263,081.03 : 1,032,393,686.60 = 319,596,439.01 : x
  2. Step 2: Convert to fraction form
    688,263,081.03/1,032,393,686.60 = 319,596,439.01/x
  3. Step 3: Cross multiply
    688,263,081.03x = 1,032,393,686.60 × 319,596,439.01
  4. Step 4: Simplify right side
    688,263,081.03x = 329,949,345,889,402,944
  5. Step 5: Solve for x
    x = 329,949,345,889,402,944/688,263,081.03
  6. Step 6: Final answer
    x = 479,394,224.36

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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.