Home / 265,780,981.60-398,671,472.40-265,780,981.60

Finding the Fourth Proportional to 265,780,981.60, 398,671,472.40 and 265,780,981.60

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Solution

The fourth proportional to 265,780,981.60, 398,671,472.40 and 265,780,981.60 is: 398,671,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,780,981.60 : 398,671,472.40 = 265,780,981.60 : x
  2. Step 2: Convert to fraction form
    265,780,981.60/398,671,472.40 = 265,780,981.60/x
  3. Step 3: Cross multiply
    265,780,981.60x = 398,671,472.40 × 265,780,981.60
  4. Step 4: Simplify right side
    265,780,981.60x = 105,959,295,270,389,296
  5. Step 5: Solve for x
    x = 105,959,295,270,389,296/265,780,981.60
  6. Step 6: Final answer
    x = 398,671,472.40

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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.