Home / 438,506,446.03-657,800,101.81-143,403,096.60

Finding the Fourth Proportional to 438,506,446.03, 657,800,101.81 and 143,403,096.60

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Solution

The fourth proportional to 438,506,446.03, 657,800,101.81 and 143,403,096.60 is: 215,117,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,506,446.03 : 657,800,101.81 = 143,403,096.60 : x
  2. Step 2: Convert to fraction form
    438,506,446.03/657,800,101.81 = 143,403,096.60/x
  3. Step 3: Cross multiply
    438,506,446.03x = 657,800,101.81 × 143,403,096.60
  4. Step 4: Simplify right side
    438,506,446.03x = 94,330,571,543,528,512
  5. Step 5: Solve for x
    x = 94,330,571,543,528,512/438,506,446.03
  6. Step 6: Final answer
    x = 215,117,867.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.