Home / 1,490,049,081.42-2,235,419,453.10-507,484,133.34

Finding the Fourth Proportional to 1,490,049,081.42, 2,235,419,453.10 and 507,484,133.34

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Solution

The fourth proportional to 1,490,049,081.42, 2,235,419,453.10 and 507,484,133.34 is: 761,343,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,049,081.42 : 2,235,419,453.10 = 507,484,133.34 : x
  2. Step 2: Convert to fraction form
    1,490,049,081.42/2,235,419,453.10 = 507,484,133.34/x
  3. Step 3: Cross multiply
    1,490,049,081.42x = 2,235,419,453.10 × 507,484,133.34
  4. Step 4: Simplify right side
    1,490,049,081.42x = 1,134,439,903,807,830,144
  5. Step 5: Solve for x
    x = 1,134,439,903,807,830,144/1,490,049,081.42
  6. Step 6: Final answer
    x = 761,343,983.87

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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.