Home / 1,316,588,609.20-1,974,924,543.44-487,749,682.72

Finding the Fourth Proportional to 1,316,588,609.20, 1,974,924,543.44 and 487,749,682.72

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Solution

The fourth proportional to 1,316,588,609.20, 1,974,924,543.44 and 487,749,682.72 is: 731,639,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,588,609.20 : 1,974,924,543.44 = 487,749,682.72 : x
  2. Step 2: Convert to fraction form
    1,316,588,609.20/1,974,924,543.44 = 487,749,682.72/x
  3. Step 3: Cross multiply
    1,316,588,609.20x = 1,974,924,543.44 × 487,749,682.72
  4. Step 4: Simplify right side
    1,316,588,609.20x = 963,268,819,458,800,896
  5. Step 5: Solve for x
    x = 963,268,819,458,800,896/1,316,588,609.20
  6. Step 6: Final answer
    x = 731,639,946.39

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Double scale
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1.5x scale

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.