Home / 716,838,673.20-1,075,371,383.90-256,766,656.56

Finding the Fourth Proportional to 716,838,673.20, 1,075,371,383.90 and 256,766,656.56

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Solution

The fourth proportional to 716,838,673.20, 1,075,371,383.90 and 256,766,656.56 is: 385,190,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,838,673.20 : 1,075,371,383.90 = 256,766,656.56 : x
  2. Step 2: Convert to fraction form
    716,838,673.20/1,075,371,383.90 = 256,766,656.56/x
  3. Step 3: Cross multiply
    716,838,673.20x = 1,075,371,383.90 × 256,766,656.56
  4. Step 4: Simplify right side
    716,838,673.20x = 276,119,514,804,303,232
  5. Step 5: Solve for x
    x = 276,119,514,804,303,232/716,838,673.20
  6. Step 6: Final answer
    x = 385,190,594.66

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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.