Home / 760,360,328.49-1,141,020,265.86-323,660,299.71

Finding the Fourth Proportional to 760,360,328.49, 1,141,020,265.86 and 323,660,299.71

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Solution

The fourth proportional to 760,360,328.49, 1,141,020,265.86 and 323,660,299.71 is: 485,694,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,360,328.49 : 1,141,020,265.86 = 323,660,299.71 : x
  2. Step 2: Convert to fraction form
    760,360,328.49/1,141,020,265.86 = 323,660,299.71/x
  3. Step 3: Cross multiply
    760,360,328.49x = 1,141,020,265.86 × 323,660,299.71
  4. Step 4: Simplify right side
    760,360,328.49x = 369,302,961,223,431,424
  5. Step 5: Solve for x
    x = 369,302,961,223,431,424/760,360,328.49
  6. Step 6: Final answer
    x = 485,694,673.15

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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.