Home / 1,009,604,260.40-1,514,406,390.60-319,565,519.60

Finding the Fourth Proportional to 1,009,604,260.40, 1,514,406,390.60 and 319,565,519.60

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Solution

The fourth proportional to 1,009,604,260.40, 1,514,406,390.60 and 319,565,519.60 is: 479,348,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,604,260.40 : 1,514,406,390.60 = 319,565,519.60 : x
  2. Step 2: Convert to fraction form
    1,009,604,260.40/1,514,406,390.60 = 319,565,519.60/x
  3. Step 3: Cross multiply
    1,009,604,260.40x = 1,514,406,390.60 × 319,565,519.60
  4. Step 4: Simplify right side
    1,009,604,260.40x = 483,952,065,097,649,536
  5. Step 5: Solve for x
    x = 483,952,065,097,649,536/1,009,604,260.40
  6. Step 6: Final answer
    x = 479,348,279.40

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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.