Home / 920,496,707.58-1,270,285,407.88-497,110,328.04

Finding the Fourth Proportional to 920,496,707.58, 1,270,285,407.88 and 497,110,328.04

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Solution

The fourth proportional to 920,496,707.58, 1,270,285,407.88 and 497,110,328.04 is: 686,012,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,496,707.58 : 1,270,285,407.88 = 497,110,328.04 : x
  2. Step 2: Convert to fraction form
    920,496,707.58/1,270,285,407.88 = 497,110,328.04/x
  3. Step 3: Cross multiply
    920,496,707.58x = 1,270,285,407.88 × 497,110,328.04
  4. Step 4: Simplify right side
    920,496,707.58x = 631,471,995,815,652,096
  5. Step 5: Solve for x
    x = 631,471,995,815,652,096/920,496,707.58
  6. Step 6: Final answer
    x = 686,012,226.46

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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.