Home / 557,672,225.59-769,583,417.74-306,771,216.67

Finding the Fourth Proportional to 557,672,225.59, 769,583,417.74 and 306,771,216.67

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Solution

The fourth proportional to 557,672,225.59, 769,583,417.74 and 306,771,216.67 is: 423,341,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,672,225.59 : 769,583,417.74 = 306,771,216.67 : x
  2. Step 2: Convert to fraction form
    557,672,225.59/769,583,417.74 = 306,771,216.67/x
  3. Step 3: Cross multiply
    557,672,225.59x = 769,583,417.74 × 306,771,216.67
  4. Step 4: Simplify right side
    557,672,225.59x = 236,086,041,389,156,672
  5. Step 5: Solve for x
    x = 236,086,041,389,156,672/557,672,225.59
  6. Step 6: Final answer
    x = 423,341,939.15

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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.