Home / 443,376,287.40-665,064,431.10-435,818,015.40

Finding the Fourth Proportional to 443,376,287.40, 665,064,431.10 and 435,818,015.40

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Solution

The fourth proportional to 443,376,287.40, 665,064,431.10 and 435,818,015.40 is: 653,727,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,376,287.40 : 665,064,431.10 = 435,818,015.40 : x
  2. Step 2: Convert to fraction form
    443,376,287.40/665,064,431.10 = 435,818,015.40/x
  3. Step 3: Cross multiply
    443,376,287.40x = 665,064,431.10 × 435,818,015.40
  4. Step 4: Simplify right side
    443,376,287.40x = 289,847,060,475,132,032
  5. Step 5: Solve for x
    x = 289,847,060,475,132,032/443,376,287.40
  6. Step 6: Final answer
    x = 653,727,023.10

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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.