Home / 591,021,604,765.56-815,587,964,053.02-320,354,154,330.60

Finding the Fourth Proportional to 591,021,604,765.56, 815,587,964,053.02 and 320,354,154,330.60

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Solution

The fourth proportional to 591,021,604,765.56, 815,587,964,053.02 and 320,354,154,330.60 is: 442,076,889,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,021,604,765.56 : 815,587,964,053.02 = 320,354,154,330.60 : x
  2. Step 2: Convert to fraction form
    591,021,604,765.56/815,587,964,053.02 = 320,354,154,330.60/x
  3. Step 3: Cross multiply
    591,021,604,765.56x = 815,587,964,053.02 × 320,354,154,330.60
  4. Step 4: Simplify right side
    591,021,604,765.56x = 261,276,992,506,421,001,060,352
  5. Step 5: Solve for x
    x = 261,276,992,506,421,001,060,352/591,021,604,765.56
  6. Step 6: Final answer
    x = 442,076,889,236.67

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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.