Home / 919,397,483.40-1,268,795,323.32-501,736,672.32

Finding the Fourth Proportional to 919,397,483.40, 1,268,795,323.32 and 501,736,672.32

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Solution

The fourth proportional to 919,397,483.40, 1,268,795,323.32 and 501,736,672.32 is: 692,411,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,483.40 : 1,268,795,323.32 = 501,736,672.32 : x
  2. Step 2: Convert to fraction form
    919,397,483.40/1,268,795,323.32 = 501,736,672.32/x
  3. Step 3: Cross multiply
    919,397,483.40x = 1,268,795,323.32 × 501,736,672.32
  4. Step 4: Simplify right side
    919,397,483.40x = 636,601,143,377,755,264
  5. Step 5: Solve for x
    x = 636,601,143,377,755,264/919,397,483.40
  6. Step 6: Final answer
    x = 692,411,231.13

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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.