Home / 869,120,056.65-1,303,911,032.18-377,622,424.65

Finding the Fourth Proportional to 869,120,056.65, 1,303,911,032.18 and 377,622,424.65

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Solution

The fourth proportional to 869,120,056.65, 1,303,911,032.18 and 377,622,424.65 is: 566,533,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,120,056.65 : 1,303,911,032.18 = 377,622,424.65 : x
  2. Step 2: Convert to fraction form
    869,120,056.65/1,303,911,032.18 = 377,622,424.65/x
  3. Step 3: Cross multiply
    869,120,056.65x = 1,303,911,032.18 × 377,622,424.65
  4. Step 4: Simplify right side
    869,120,056.65x = 492,386,045,497,807,616
  5. Step 5: Solve for x
    x = 492,386,045,497,807,616/869,120,056.65
  6. Step 6: Final answer
    x = 566,533,980.81

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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.