Home / 1,071,393,605.65-1,607,297,369.45-407,355,993.29

Finding the Fourth Proportional to 1,071,393,605.65, 1,607,297,369.45 and 407,355,993.29

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Solution

The fourth proportional to 1,071,393,605.65, 1,607,297,369.45 and 407,355,993.29 is: 611,112,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,393,605.65 : 1,607,297,369.45 = 407,355,993.29 : x
  2. Step 2: Convert to fraction form
    1,071,393,605.65/1,607,297,369.45 = 407,355,993.29/x
  3. Step 3: Cross multiply
    1,071,393,605.65x = 1,607,297,369.45 × 407,355,993.29
  4. Step 4: Simplify right side
    1,071,393,605.65x = 654,742,216,439,938,432
  5. Step 5: Solve for x
    x = 654,742,216,439,938,432/1,071,393,605.65
  6. Step 6: Final answer
    x = 611,112,678.84

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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.