Home / 1,724,832,000.80-2,587,248,001.20-689,180,775.20

Finding the Fourth Proportional to 1,724,832,000.80, 2,587,248,001.20 and 689,180,775.20

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Solution

The fourth proportional to 1,724,832,000.80, 2,587,248,001.20 and 689,180,775.20 is: 1,033,771,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,832,000.80 : 2,587,248,001.20 = 689,180,775.20 : x
  2. Step 2: Convert to fraction form
    1,724,832,000.80/2,587,248,001.20 = 689,180,775.20/x
  3. Step 3: Cross multiply
    1,724,832,000.80x = 2,587,248,001.20 × 689,180,775.20
  4. Step 4: Simplify right side
    1,724,832,000.80x = 1,783,081,583,101,666,560
  5. Step 5: Solve for x
    x = 1,783,081,583,101,666,560/1,724,832,000.80
  6. Step 6: Final answer
    x = 1,033,771,162.80

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1.5x scale

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.