Home / 760,386,287.16-1,140,708,195.54-262,261,544.85

Finding the Fourth Proportional to 760,386,287.16, 1,140,708,195.54 and 262,261,544.85

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Solution

The fourth proportional to 760,386,287.16, 1,140,708,195.54 and 262,261,544.85 is: 393,436,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,386,287.16 : 1,140,708,195.54 = 262,261,544.85 : x
  2. Step 2: Convert to fraction form
    760,386,287.16/1,140,708,195.54 = 262,261,544.85/x
  3. Step 3: Cross multiply
    760,386,287.16x = 1,140,708,195.54 × 262,261,544.85
  4. Step 4: Simplify right side
    760,386,287.16x = 299,163,893,585,376,256
  5. Step 5: Solve for x
    x = 299,163,893,585,376,256/760,386,287.16
  6. Step 6: Final answer
    x = 393,436,728.99

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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.