Home / 760,481,623.91-1,138,757,851.22-524,858,205.39

Finding the Fourth Proportional to 760,481,623.91, 1,138,757,851.22 and 524,858,205.39

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Solution

The fourth proportional to 760,481,623.91, 1,138,757,851.22 and 524,858,205.39 is: 785,931,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,481,623.91 : 1,138,757,851.22 = 524,858,205.39 : x
  2. Step 2: Convert to fraction form
    760,481,623.91/1,138,757,851.22 = 524,858,205.39/x
  3. Step 3: Cross multiply
    760,481,623.91x = 1,138,757,851.22 × 524,858,205.39
  4. Step 4: Simplify right side
    760,481,623.91x = 597,686,402,162,477,440
  5. Step 5: Solve for x
    x = 597,686,402,162,477,440/760,481,623.91
  6. Step 6: Final answer
    x = 785,931,419.48

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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.