Home / 760,766,078.28-1,141,292,476.55-288,206,668.22

Finding the Fourth Proportional to 760,766,078.28, 1,141,292,476.55 and 288,206,668.22

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Solution

The fourth proportional to 760,766,078.28, 1,141,292,476.55 and 288,206,668.22 is: 432,364,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,766,078.28 : 1,141,292,476.55 = 288,206,668.22 : x
  2. Step 2: Convert to fraction form
    760,766,078.28/1,141,292,476.55 = 288,206,668.22/x
  3. Step 3: Cross multiply
    760,766,078.28x = 1,141,292,476.55 × 288,206,668.22
  4. Step 4: Simplify right side
    760,766,078.28x = 328,928,102,123,880,448
  5. Step 5: Solve for x
    x = 328,928,102,123,880,448/760,766,078.28
  6. Step 6: Final answer
    x = 432,364,312.13

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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.