Home / 559,265,103.36-772,116,528.80-497,213,755.20

Finding the Fourth Proportional to 559,265,103.36, 772,116,528.80 and 497,213,755.20

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Solution

The fourth proportional to 559,265,103.36, 772,116,528.80 and 497,213,755.20 is: 686,448,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,265,103.36 : 772,116,528.80 = 497,213,755.20 : x
  2. Step 2: Convert to fraction form
    559,265,103.36/772,116,528.80 = 497,213,755.20/x
  3. Step 3: Cross multiply
    559,265,103.36x = 772,116,528.80 × 497,213,755.20
  4. Step 4: Simplify right side
    559,265,103.36x = 383,906,958,736,636,928
  5. Step 5: Solve for x
    x = 383,906,958,736,636,928/559,265,103.36
  6. Step 6: Final answer
    x = 686,448,978.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.