Home / 473,342,889.60-709,531,444.80-320,004,446.40

Finding the Fourth Proportional to 473,342,889.60, 709,531,444.80 and 320,004,446.40

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Solution

The fourth proportional to 473,342,889.60, 709,531,444.80 and 320,004,446.40 is: 479,680,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,342,889.60 : 709,531,444.80 = 320,004,446.40 : x
  2. Step 2: Convert to fraction form
    473,342,889.60/709,531,444.80 = 320,004,446.40/x
  3. Step 3: Cross multiply
    473,342,889.60x = 709,531,444.80 × 320,004,446.40
  4. Step 4: Simplify right side
    473,342,889.60x = 227,053,217,196,616,128
  5. Step 5: Solve for x
    x = 227,053,217,196,616,128/473,342,889.60
  6. Step 6: Final answer
    x = 479,680,211.08

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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.