Home / 749,088,077.80-1,123,632,116.70-658,388,813.80

Finding the Fourth Proportional to 749,088,077.80, 1,123,632,116.70 and 658,388,813.80

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Solution

The fourth proportional to 749,088,077.80, 1,123,632,116.70 and 658,388,813.80 is: 987,583,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,077.80 : 1,123,632,116.70 = 658,388,813.80 : x
  2. Step 2: Convert to fraction form
    749,088,077.80/1,123,632,116.70 = 658,388,813.80/x
  3. Step 3: Cross multiply
    749,088,077.80x = 1,123,632,116.70 × 658,388,813.80
  4. Step 4: Simplify right side
    749,088,077.80x = 739,786,816,461,696,128
  5. Step 5: Solve for x
    x = 739,786,816,461,696,128/749,088,077.80
  6. Step 6: Final answer
    x = 987,583,220.70

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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.