Home / 716,838,688.19-1,075,371,406.37-256,766,671.55

Finding the Fourth Proportional to 716,838,688.19, 1,075,371,406.37 and 256,766,671.55

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Solution

The fourth proportional to 716,838,688.19, 1,075,371,406.37 and 256,766,671.55 is: 385,190,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,838,688.19 : 1,075,371,406.37 = 256,766,671.55 : x
  2. Step 2: Convert to fraction form
    716,838,688.19/1,075,371,406.37 = 256,766,671.55/x
  3. Step 3: Cross multiply
    716,838,688.19x = 1,075,371,406.37 × 256,766,671.55
  4. Step 4: Simplify right side
    716,838,688.19x = 276,119,536,693,667,360
  5. Step 5: Solve for x
    x = 276,119,536,693,667,360/716,838,688.19
  6. Step 6: Final answer
    x = 385,190,617.14

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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.