Home / 636,005,609.47-954,008,762.76-290,717,098.65

Finding the Fourth Proportional to 636,005,609.47, 954,008,762.76 and 290,717,098.65

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Solution

The fourth proportional to 636,005,609.47, 954,008,762.76 and 290,717,098.65 is: 436,075,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,005,609.47 : 954,008,762.76 = 290,717,098.65 : x
  2. Step 2: Convert to fraction form
    636,005,609.47/954,008,762.76 = 290,717,098.65/x
  3. Step 3: Cross multiply
    636,005,609.47x = 954,008,762.76 × 290,717,098.65
  4. Step 4: Simplify right side
    636,005,609.47x = 277,346,659,594,809,760
  5. Step 5: Solve for x
    x = 277,346,659,594,809,760/636,005,609.47
  6. Step 6: Final answer
    x = 436,075,807.30

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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.