Home / 1,131,421,880.02-1,561,350,913.59-629,622,068.62

Finding the Fourth Proportional to 1,131,421,880.02, 1,561,350,913.59 and 629,622,068.62

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Solution

The fourth proportional to 1,131,421,880.02, 1,561,350,913.59 and 629,622,068.62 is: 868,872,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,421,880.02 : 1,561,350,913.59 = 629,622,068.62 : x
  2. Step 2: Convert to fraction form
    1,131,421,880.02/1,561,350,913.59 = 629,622,068.62/x
  3. Step 3: Cross multiply
    1,131,421,880.02x = 1,561,350,913.59 × 629,622,068.62
  4. Step 4: Simplify right side
    1,131,421,880.02x = 983,060,992,056,262,656
  5. Step 5: Solve for x
    x = 983,060,992,056,262,656/1,131,421,880.02
  6. Step 6: Final answer
    x = 868,872,177.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.