Home / 920,496,708.58-1,270,285,409.26-497,110,329.04

Finding the Fourth Proportional to 920,496,708.58, 1,270,285,409.26 and 497,110,329.04

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Solution

The fourth proportional to 920,496,708.58, 1,270,285,409.26 and 497,110,329.04 is: 686,012,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,496,708.58 : 1,270,285,409.26 = 497,110,329.04 : x
  2. Step 2: Convert to fraction form
    920,496,708.58/1,270,285,409.26 = 497,110,329.04/x
  3. Step 3: Cross multiply
    920,496,708.58x = 1,270,285,409.26 × 497,110,329.04
  4. Step 4: Simplify right side
    920,496,708.58x = 631,471,997,771,949,696
  5. Step 5: Solve for x
    x = 631,471,997,771,949,696/920,496,708.58
  6. Step 6: Final answer
    x = 686,012,227.84

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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.