Home / 642,166,244.53-886,262,931.27-359,984,899.01

Finding the Fourth Proportional to 642,166,244.53, 886,262,931.27 and 359,984,899.01

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Solution

The fourth proportional to 642,166,244.53, 886,262,931.27 and 359,984,899.01 is: 496,820,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,166,244.53 : 886,262,931.27 = 359,984,899.01 : x
  2. Step 2: Convert to fraction form
    642,166,244.53/886,262,931.27 = 359,984,899.01/x
  3. Step 3: Cross multiply
    642,166,244.53x = 886,262,931.27 × 359,984,899.01
  4. Step 4: Simplify right side
    642,166,244.53x = 319,041,271,809,537,536
  5. Step 5: Solve for x
    x = 319,041,271,809,537,536/642,166,244.53
  6. Step 6: Final answer
    x = 496,820,370.94

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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.