Home / 919,397,582.64-1,268,795,460.42-501,736,771.80

Finding the Fourth Proportional to 919,397,582.64, 1,268,795,460.42 and 501,736,771.80

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Solution

The fourth proportional to 919,397,582.64, 1,268,795,460.42 and 501,736,771.80 is: 692,411,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,582.64 : 1,268,795,460.42 = 501,736,771.80 : x
  2. Step 2: Convert to fraction form
    919,397,582.64/1,268,795,460.42 = 501,736,771.80/x
  3. Step 3: Cross multiply
    919,397,582.64x = 1,268,795,460.42 × 501,736,771.80
  4. Step 4: Simplify right side
    919,397,582.64x = 636,601,338,385,625,472
  5. Step 5: Solve for x
    x = 636,601,338,385,625,472/919,397,582.64
  6. Step 6: Final answer
    x = 692,411,368.49

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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.