Home / 642,166,242.53-886,262,928.51-359,984,897.01

Finding the Fourth Proportional to 642,166,242.53, 886,262,928.51 and 359,984,897.01

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Solution

The fourth proportional to 642,166,242.53, 886,262,928.51 and 359,984,897.01 is: 496,820,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,166,242.53 : 886,262,928.51 = 359,984,897.01 : x
  2. Step 2: Convert to fraction form
    642,166,242.53/886,262,928.51 = 359,984,897.01/x
  3. Step 3: Cross multiply
    642,166,242.53x = 886,262,928.51 × 359,984,897.01
  4. Step 4: Simplify right side
    642,166,242.53x = 319,041,269,043,453,312
  5. Step 5: Solve for x
    x = 319,041,269,043,453,312/642,166,242.53
  6. Step 6: Final answer
    x = 496,820,368.18

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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.