Home / 476,928,020.80-715,392,031.20-149,430,894.40

Finding the Fourth Proportional to 476,928,020.80, 715,392,031.20 and 149,430,894.40

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Solution

The fourth proportional to 476,928,020.80, 715,392,031.20 and 149,430,894.40 is: 224,146,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,020.80 : 715,392,031.20 = 149,430,894.40 : x
  2. Step 2: Convert to fraction form
    476,928,020.80/715,392,031.20 = 149,430,894.40/x
  3. Step 3: Cross multiply
    476,928,020.80x = 715,392,031.20 × 149,430,894.40
  4. Step 4: Simplify right side
    476,928,020.80x = 106,901,671,068,848,720
  5. Step 5: Solve for x
    x = 106,901,671,068,848,720/476,928,020.80
  6. Step 6: Final answer
    x = 224,146,341.60

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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.