Home / 127,860,768,000.40-191,791,152,000.60-121,765,777,459.60

Finding the Fourth Proportional to 127,860,768,000.40, 191,791,152,000.60 and 121,765,777,459.60

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Solution

The fourth proportional to 127,860,768,000.40, 191,791,152,000.60 and 121,765,777,459.60 is: 182,648,666,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,860,768,000.40 : 191,791,152,000.60 = 121,765,777,459.60 : x
  2. Step 2: Convert to fraction form
    127,860,768,000.40/191,791,152,000.60 = 121,765,777,459.60/x
  3. Step 3: Cross multiply
    127,860,768,000.40x = 191,791,152,000.60 × 121,765,777,459.60
  4. Step 4: Simplify right side
    127,860,768,000.40x = 23,353,598,733,225,379,758,080
  5. Step 5: Solve for x
    x = 23,353,598,733,225,379,758,080/127,860,768,000.40
  6. Step 6: Final answer
    x = 182,648,666,189.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.