Home / 708,634,562.80-1,062,951,844.20-644,011,337.20

Finding the Fourth Proportional to 708,634,562.80, 1,062,951,844.20 and 644,011,337.20

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Solution

The fourth proportional to 708,634,562.80, 1,062,951,844.20 and 644,011,337.20 is: 966,017,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,634,562.80 : 1,062,951,844.20 = 644,011,337.20 : x
  2. Step 2: Convert to fraction form
    708,634,562.80/1,062,951,844.20 = 644,011,337.20/x
  3. Step 3: Cross multiply
    708,634,562.80x = 1,062,951,844.20 × 644,011,337.20
  4. Step 4: Simplify right side
    708,634,562.80x = 684,553,038,562,448,128
  5. Step 5: Solve for x
    x = 684,553,038,562,448,128/708,634,562.80
  6. Step 6: Final answer
    x = 966,017,005.80

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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.