Home / 1,152,833,969.40-1,590,911,628.68-624,198,313.88

Finding the Fourth Proportional to 1,152,833,969.40, 1,590,911,628.68 and 624,198,313.88

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Solution

The fourth proportional to 1,152,833,969.40, 1,590,911,628.68 and 624,198,313.88 is: 861,394,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,833,969.40 : 1,590,911,628.68 = 624,198,313.88 : x
  2. Step 2: Convert to fraction form
    1,152,833,969.40/1,590,911,628.68 = 624,198,313.88/x
  3. Step 3: Cross multiply
    1,152,833,969.40x = 1,590,911,628.68 × 624,198,313.88
  4. Step 4: Simplify right side
    1,152,833,969.40x = 993,044,356,154,140,672
  5. Step 5: Solve for x
    x = 993,044,356,154,140,672/1,152,833,969.40
  6. Step 6: Final answer
    x = 861,394,079.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.