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Finding the Fourth Proportional to 208,655,601,225.60, 312,983,401,838.40 and 208,655,601,225.60

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Solution

The fourth proportional to 208,655,601,225.60, 312,983,401,838.40 and 208,655,601,225.60 is: 312,983,401,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,655,601,225.60 : 312,983,401,838.40 = 208,655,601,225.60 : x
  2. Step 2: Convert to fraction form
    208,655,601,225.60/312,983,401,838.40 = 208,655,601,225.60/x
  3. Step 3: Cross multiply
    208,655,601,225.60x = 312,983,401,838.40 × 208,655,601,225.60
  4. Step 4: Simplify right side
    208,655,601,225.60x = 65,305,739,884,224,919,371,776
  5. Step 5: Solve for x
    x = 65,305,739,884,224,919,371,776/208,655,601,225.60
  6. Step 6: Final answer
    x = 312,983,401,838.40

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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.