Home / 919,397,572.14-1,268,795,445.93-501,736,761.30

Finding the Fourth Proportional to 919,397,572.14, 1,268,795,445.93 and 501,736,761.30

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Solution

The fourth proportional to 919,397,572.14, 1,268,795,445.93 and 501,736,761.30 is: 692,411,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,572.14 : 1,268,795,445.93 = 501,736,761.30 : x
  2. Step 2: Convert to fraction form
    919,397,572.14/1,268,795,445.93 = 501,736,761.30/x
  3. Step 3: Cross multiply
    919,397,572.14x = 1,268,795,445.93 × 501,736,761.30
  4. Step 4: Simplify right side
    919,397,572.14x = 636,601,317,793,107,456
  5. Step 5: Solve for x
    x = 636,601,317,793,107,456/919,397,572.14
  6. Step 6: Final answer
    x = 692,411,354.00

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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.