Home / 716,838,672.20-1,075,371,382.40-256,766,655.56

Finding the Fourth Proportional to 716,838,672.20, 1,075,371,382.40 and 256,766,655.56

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Solution

The fourth proportional to 716,838,672.20, 1,075,371,382.40 and 256,766,655.56 is: 385,190,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,838,672.20 : 1,075,371,382.40 = 256,766,655.56 : x
  2. Step 2: Convert to fraction form
    716,838,672.20/1,075,371,382.40 = 256,766,655.56/x
  3. Step 3: Cross multiply
    716,838,672.20x = 1,075,371,382.40 × 256,766,655.56
  4. Step 4: Simplify right side
    716,838,672.20x = 276,119,513,343,781,888
  5. Step 5: Solve for x
    x = 276,119,513,343,781,888/716,838,672.20
  6. Step 6: Final answer
    x = 385,190,593.16

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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.