Home / 874,359,954.80-1,310,700,124.20-505,516,281.20

Finding the Fourth Proportional to 874,359,954.80, 1,310,700,124.20 and 505,516,281.20

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Solution

The fourth proportional to 874,359,954.80, 1,310,700,124.20 and 505,516,281.20 is: 757,788,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,359,954.80 : 1,310,700,124.20 = 505,516,281.20 : x
  2. Step 2: Convert to fraction form
    874,359,954.80/1,310,700,124.20 = 505,516,281.20/x
  3. Step 3: Cross multiply
    874,359,954.80x = 1,310,700,124.20 × 505,516,281.20
  4. Step 4: Simplify right side
    874,359,954.80x = 662,580,252,553,962,112
  5. Step 5: Solve for x
    x = 662,580,252,553,962,112/874,359,954.80
  6. Step 6: Final answer
    x = 757,788,881.93

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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.