Home / 715,637,871,666.25-1,073,377,511,929.70-256,154,190,383.67

Finding the Fourth Proportional to 715,637,871,666.25, 1,073,377,511,929.70 and 256,154,190,383.67

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Solution

The fourth proportional to 715,637,871,666.25, 1,073,377,511,929.70 and 256,154,190,383.67 is: 384,202,902,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,637,871,666.25 : 1,073,377,511,929.70 = 256,154,190,383.67 : x
  2. Step 2: Convert to fraction form
    715,637,871,666.25/1,073,377,511,929.70 = 256,154,190,383.67/x
  3. Step 3: Cross multiply
    715,637,871,666.25x = 1,073,377,511,929.70 × 256,154,190,383.67
  4. Step 4: Simplify right side
    715,637,871,666.25x = 274,950,147,544,390,387,630,080
  5. Step 5: Solve for x
    x = 274,950,147,544,390,387,630,080/715,637,871,666.25
  6. Step 6: Final answer
    x = 384,202,902,655.52

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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.