Home / 559,265,104.36-772,116,530.18-497,213,756.20

Finding the Fourth Proportional to 559,265,104.36, 772,116,530.18 and 497,213,756.20

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Solution

The fourth proportional to 559,265,104.36, 772,116,530.18 and 497,213,756.20 is: 686,448,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,265,104.36 : 772,116,530.18 = 497,213,756.20 : x
  2. Step 2: Convert to fraction form
    559,265,104.36/772,116,530.18 = 497,213,756.20/x
  3. Step 3: Cross multiply
    559,265,104.36x = 772,116,530.18 × 497,213,756.20
  4. Step 4: Simplify right side
    559,265,104.36x = 383,906,960,194,908,416
  5. Step 5: Solve for x
    x = 383,906,960,194,908,416/559,265,104.36
  6. Step 6: Final answer
    x = 686,448,979.57

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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.