Home / 1,009,604,265.90-1,514,406,398.85-319,565,525.10

Finding the Fourth Proportional to 1,009,604,265.90, 1,514,406,398.85 and 319,565,525.10

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Solution

The fourth proportional to 1,009,604,265.90, 1,514,406,398.85 and 319,565,525.10 is: 479,348,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,604,265.90 : 1,514,406,398.85 = 319,565,525.10 : x
  2. Step 2: Convert to fraction form
    1,009,604,265.90/1,514,406,398.85 = 319,565,525.10/x
  3. Step 3: Cross multiply
    1,009,604,265.90x = 1,514,406,398.85 × 319,565,525.10
  4. Step 4: Simplify right side
    1,009,604,265.90x = 483,952,076,063,300,288
  5. Step 5: Solve for x
    x = 483,952,076,063,300,288/1,009,604,265.90
  6. Step 6: Final answer
    x = 479,348,287.65

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Double scale
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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.