Home / 917,970,103.86-1,266,803,033.30-521,514,848.00

Finding the Fourth Proportional to 917,970,103.86, 1,266,803,033.30 and 521,514,848.00

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Solution

The fourth proportional to 917,970,103.86, 1,266,803,033.30 and 521,514,848.00 is: 719,692,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,970,103.86 : 1,266,803,033.30 = 521,514,848.00 : x
  2. Step 2: Convert to fraction form
    917,970,103.86/1,266,803,033.30 = 521,514,848.00/x
  3. Step 3: Cross multiply
    917,970,103.86x = 1,266,803,033.30 × 521,514,848.00
  4. Step 4: Simplify right side
    917,970,103.86x = 660,656,591,348,446,848
  5. Step 5: Solve for x
    x = 660,656,591,348,446,848/917,970,103.86
  6. Step 6: Final answer
    x = 719,692,927.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.