Home / 824,903,082.48-1,138,387,828.74-448,581,679.82

Finding the Fourth Proportional to 824,903,082.48, 1,138,387,828.74 and 448,581,679.82

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Solution

The fourth proportional to 824,903,082.48, 1,138,387,828.74 and 448,581,679.82 is: 619,054,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,903,082.48 : 1,138,387,828.74 = 448,581,679.82 : x
  2. Step 2: Convert to fraction form
    824,903,082.48/1,138,387,828.74 = 448,581,679.82/x
  3. Step 3: Cross multiply
    824,903,082.48x = 1,138,387,828.74 × 448,581,679.82
  4. Step 4: Simplify right side
    824,903,082.48x = 510,659,924,497,796,352
  5. Step 5: Solve for x
    x = 510,659,924,497,796,352/824,903,082.48
  6. Step 6: Final answer
    x = 619,054,450.57

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1.5x scale

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.