Home / 1,233,989,753.51-1,702,905,878.81-705,365,191.55

Finding the Fourth Proportional to 1,233,989,753.51, 1,702,905,878.81 and 705,365,191.55

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Solution

The fourth proportional to 1,233,989,753.51, 1,702,905,878.81 and 705,365,191.55 is: 973,403,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,989,753.51 : 1,702,905,878.81 = 705,365,191.55 : x
  2. Step 2: Convert to fraction form
    1,233,989,753.51/1,702,905,878.81 = 705,365,191.55/x
  3. Step 3: Cross multiply
    1,233,989,753.51x = 1,702,905,878.81 × 705,365,191.55
  4. Step 4: Simplify right side
    1,233,989,753.51x = 1,201,170,531,399,167,232
  5. Step 5: Solve for x
    x = 1,201,170,531,399,167,232/1,233,989,753.51
  6. Step 6: Final answer
    x = 973,403,975.18

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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.