Home / 677,891,419.23-935,462,609.96-384,529,688.67

Finding the Fourth Proportional to 677,891,419.23, 935,462,609.96 and 384,529,688.67

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Solution

The fourth proportional to 677,891,419.23, 935,462,609.96 and 384,529,688.67 is: 530,635,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,891,419.23 : 935,462,609.96 = 384,529,688.67 : x
  2. Step 2: Convert to fraction form
    677,891,419.23/935,462,609.96 = 384,529,688.67/x
  3. Step 3: Cross multiply
    677,891,419.23x = 935,462,609.96 × 384,529,688.67
  4. Step 4: Simplify right side
    677,891,419.23x = 359,713,146,168,421,824
  5. Step 5: Solve for x
    x = 359,713,146,168,421,824/677,891,419.23
  6. Step 6: Final answer
    x = 530,635,343.60

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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.