Home / 716,928,698.76-1,075,584,422.52-256,913,369.16

Finding the Fourth Proportional to 716,928,698.76, 1,075,584,422.52 and 256,913,369.16

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Solution

The fourth proportional to 716,928,698.76, 1,075,584,422.52 and 256,913,369.16 is: 385,438,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,928,698.76 : 1,075,584,422.52 = 256,913,369.16 : x
  2. Step 2: Convert to fraction form
    716,928,698.76/1,075,584,422.52 = 256,913,369.16/x
  3. Step 3: Cross multiply
    716,928,698.76x = 1,075,584,422.52 × 256,913,369.16
  4. Step 4: Simplify right side
    716,928,698.76x = 276,332,017,805,626,176
  5. Step 5: Solve for x
    x = 276,332,017,805,626,176/716,928,698.76
  6. Step 6: Final answer
    x = 385,438,633.27

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1.5x scale

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.