Home / 708,565,877.80-1,063,296,714.30-417,432,437.80

Finding the Fourth Proportional to 708,565,877.80, 1,063,296,714.30 and 417,432,437.80

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Solution

The fourth proportional to 708,565,877.80, 1,063,296,714.30 and 417,432,437.80 is: 626,412,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,565,877.80 : 1,063,296,714.30 = 417,432,437.80 : x
  2. Step 2: Convert to fraction form
    708,565,877.80/1,063,296,714.30 = 417,432,437.80/x
  3. Step 3: Cross multiply
    708,565,877.80x = 1,063,296,714.30 × 417,432,437.80
  4. Step 4: Simplify right side
    708,565,877.80x = 443,854,539,554,979,136
  5. Step 5: Solve for x
    x = 443,854,539,554,979,136/708,565,877.80
  6. Step 6: Final answer
    x = 626,412,523.47

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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.