Home / 1,277,208,032.20-1,915,812,048.30-357,082,894.60

Finding the Fourth Proportional to 1,277,208,032.20, 1,915,812,048.30 and 357,082,894.60

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Solution

The fourth proportional to 1,277,208,032.20, 1,915,812,048.30 and 357,082,894.60 is: 535,624,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,208,032.20 : 1,915,812,048.30 = 357,082,894.60 : x
  2. Step 2: Convert to fraction form
    1,277,208,032.20/1,915,812,048.30 = 357,082,894.60/x
  3. Step 3: Cross multiply
    1,277,208,032.20x = 1,915,812,048.30 × 357,082,894.60
  4. Step 4: Simplify right side
    1,277,208,032.20x = 684,103,711,716,519,040
  5. Step 5: Solve for x
    x = 684,103,711,716,519,040/1,277,208,032.20
  6. Step 6: Final answer
    x = 535,624,341.90

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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.