Home / 632,700,480,923.25-873,199,095,929.75-354,678,135,434.76

Finding the Fourth Proportional to 632,700,480,923.25, 873,199,095,929.75 and 354,678,135,434.76

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Solution

The fourth proportional to 632,700,480,923.25, 873,199,095,929.75 and 354,678,135,434.76 is: 489,496,430,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,700,480,923.25 : 873,199,095,929.75 = 354,678,135,434.76 : x
  2. Step 2: Convert to fraction form
    632,700,480,923.25/873,199,095,929.75 = 354,678,135,434.76/x
  3. Step 3: Cross multiply
    632,700,480,923.25x = 873,199,095,929.75 × 354,678,135,434.76
  4. Step 4: Simplify right side
    632,700,480,923.25x = 309,704,627,207,681,863,581,696
  5. Step 5: Solve for x
    x = 309,704,627,207,681,863,581,696/632,700,480,923.25
  6. Step 6: Final answer
    x = 489,496,430,847.90

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Double scale
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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.