Home / 749,533,095,125.45-1,034,355,671,273.20-428,748,930,233.45

Finding the Fourth Proportional to 749,533,095,125.45, 1,034,355,671,273.20 and 428,748,930,233.45

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Solution

The fourth proportional to 749,533,095,125.45, 1,034,355,671,273.20 and 428,748,930,233.45 is: 591,673,523,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,533,095,125.45 : 1,034,355,671,273.20 = 428,748,930,233.45 : x
  2. Step 2: Convert to fraction form
    749,533,095,125.45/1,034,355,671,273.20 = 428,748,930,233.45/x
  3. Step 3: Cross multiply
    749,533,095,125.45x = 1,034,355,671,273.20 × 428,748,930,233.45
  4. Step 4: Simplify right side
    749,533,095,125.45x = 443,478,887,539,286,573,318,144
  5. Step 5: Solve for x
    x = 443,478,887,539,286,573,318,144/749,533,095,125.45
  6. Step 6: Final answer
    x = 591,673,523,722.21

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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.