Home / 652,609,993.15-900,601,887.69-355,254,492.70

Finding the Fourth Proportional to 652,609,993.15, 900,601,887.69 and 355,254,492.70

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Solution

The fourth proportional to 652,609,993.15, 900,601,887.69 and 355,254,492.70 is: 490,251,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,609,993.15 : 900,601,887.69 = 355,254,492.70 : x
  2. Step 2: Convert to fraction form
    652,609,993.15/900,601,887.69 = 355,254,492.70/x
  3. Step 3: Cross multiply
    652,609,993.15x = 900,601,887.69 × 355,254,492.70
  4. Step 4: Simplify right side
    652,609,993.15x = 319,942,866,733,032,448
  5. Step 5: Solve for x
    x = 319,942,866,733,032,448/652,609,993.15
  6. Step 6: Final answer
    x = 490,251,252.81

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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.