Home / 708,589,038.80-1,062,883,558.20-191,000,934.20

Finding the Fourth Proportional to 708,589,038.80, 1,062,883,558.20 and 191,000,934.20

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Solution

The fourth proportional to 708,589,038.80, 1,062,883,558.20 and 191,000,934.20 is: 286,501,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,038.80 : 1,062,883,558.20 = 191,000,934.20 : x
  2. Step 2: Convert to fraction form
    708,589,038.80/1,062,883,558.20 = 191,000,934.20/x
  3. Step 3: Cross multiply
    708,589,038.80x = 1,062,883,558.20 × 191,000,934.20
  4. Step 4: Simplify right side
    708,589,038.80x = 203,011,752,562,020,064
  5. Step 5: Solve for x
    x = 203,011,752,562,020,064/708,589,038.80
  6. Step 6: Final answer
    x = 286,501,401.30

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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.