Home / 716,838,687.19-1,075,371,404.87-256,766,670.55

Finding the Fourth Proportional to 716,838,687.19, 1,075,371,404.87 and 256,766,670.55

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Solution

The fourth proportional to 716,838,687.19, 1,075,371,404.87 and 256,766,670.55 is: 385,190,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,838,687.19 : 1,075,371,404.87 = 256,766,670.55 : x
  2. Step 2: Convert to fraction form
    716,838,687.19/1,075,371,404.87 = 256,766,670.55/x
  3. Step 3: Cross multiply
    716,838,687.19x = 1,075,371,404.87 × 256,766,670.55
  4. Step 4: Simplify right side
    716,838,687.19x = 276,119,535,233,145,952
  5. Step 5: Solve for x
    x = 276,119,535,233,145,952/716,838,687.19
  6. Step 6: Final answer
    x = 385,190,615.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.