Home / 508,301,411.40-762,452,117.10-353,333,215.80

Finding the Fourth Proportional to 508,301,411.40, 762,452,117.10 and 353,333,215.80

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Solution

The fourth proportional to 508,301,411.40, 762,452,117.10 and 353,333,215.80 is: 529,999,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,301,411.40 : 762,452,117.10 = 353,333,215.80 : x
  2. Step 2: Convert to fraction form
    508,301,411.40/762,452,117.10 = 353,333,215.80/x
  3. Step 3: Cross multiply
    508,301,411.40x = 762,452,117.10 × 353,333,215.80
  4. Step 4: Simplify right side
    508,301,411.40x = 269,399,658,428,461,184
  5. Step 5: Solve for x
    x = 269,399,658,428,461,184/508,301,411.40
  6. Step 6: Final answer
    x = 529,999,823.70

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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.