Home / 1,724,817,636.80-2,587,226,455.20-689,166,411.20

Finding the Fourth Proportional to 1,724,817,636.80, 2,587,226,455.20 and 689,166,411.20

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Solution

The fourth proportional to 1,724,817,636.80, 2,587,226,455.20 and 689,166,411.20 is: 1,033,749,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,817,636.80 : 2,587,226,455.20 = 689,166,411.20 : x
  2. Step 2: Convert to fraction form
    1,724,817,636.80/2,587,226,455.20 = 689,166,411.20/x
  3. Step 3: Cross multiply
    1,724,817,636.80x = 2,587,226,455.20 × 689,166,411.20
  4. Step 4: Simplify right side
    1,724,817,636.80x = 1,783,029,571,091,881,472
  5. Step 5: Solve for x
    x = 1,783,029,571,091,881,472/1,724,817,636.80
  6. Step 6: Final answer
    x = 1,033,749,616.80

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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.