Home / 671,017,223.08-925,973,982.66-373,674,802.60

Finding the Fourth Proportional to 671,017,223.08, 925,973,982.66 and 373,674,802.60

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Solution

The fourth proportional to 671,017,223.08, 925,973,982.66 and 373,674,802.60 is: 515,654,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,017,223.08 : 925,973,982.66 = 373,674,802.60 : x
  2. Step 2: Convert to fraction form
    671,017,223.08/925,973,982.66 = 373,674,802.60/x
  3. Step 3: Cross multiply
    671,017,223.08x = 925,973,982.66 × 373,674,802.60
  4. Step 4: Simplify right side
    671,017,223.08x = 346,013,145,183,211,328
  5. Step 5: Solve for x
    x = 346,013,145,183,211,328/671,017,223.08
  6. Step 6: Final answer
    x = 515,654,640.87

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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.