Home / 651,191,807.80-976,787,711.70-166,517,615.80

Finding the Fourth Proportional to 651,191,807.80, 976,787,711.70 and 166,517,615.80

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Solution

The fourth proportional to 651,191,807.80, 976,787,711.70 and 166,517,615.80 is: 249,776,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,191,807.80 : 976,787,711.70 = 166,517,615.80 : x
  2. Step 2: Convert to fraction form
    651,191,807.80/976,787,711.70 = 166,517,615.80/x
  3. Step 3: Cross multiply
    651,191,807.80x = 976,787,711.70 × 166,517,615.80
  4. Step 4: Simplify right side
    651,191,807.80x = 162,652,360,895,021,792
  5. Step 5: Solve for x
    x = 162,652,360,895,021,792/651,191,807.80
  6. Step 6: Final answer
    x = 249,776,423.70

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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.