Home / 673,958,821.62-930,045,332.98-376,603,507.24

Finding the Fourth Proportional to 673,958,821.62, 930,045,332.98 and 376,603,507.24

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Solution

The fourth proportional to 673,958,821.62, 930,045,332.98 and 376,603,507.24 is: 519,702,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,958,821.62 : 930,045,332.98 = 376,603,507.24 : x
  2. Step 2: Convert to fraction form
    673,958,821.62/930,045,332.98 = 376,603,507.24/x
  3. Step 3: Cross multiply
    673,958,821.62x = 930,045,332.98 × 376,603,507.24
  4. Step 4: Simplify right side
    673,958,821.62x = 350,258,334,292,461,632
  5. Step 5: Solve for x
    x = 350,258,334,292,461,632/673,958,821.62
  6. Step 6: Final answer
    x = 519,702,870.65

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1.5x scale

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.