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Finding the Fourth Proportional to 1,154,559,052.53, 1,593,303,977.88 and 678,269,497.77

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Solution

The fourth proportional to 1,154,559,052.53, 1,593,303,977.88 and 678,269,497.77 is: 936,019,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,559,052.53 : 1,593,303,977.88 = 678,269,497.77 : x
  2. Step 2: Convert to fraction form
    1,154,559,052.53/1,593,303,977.88 = 678,269,497.77/x
  3. Step 3: Cross multiply
    1,154,559,052.53x = 1,593,303,977.88 × 678,269,497.77
  4. Step 4: Simplify right side
    1,154,559,052.53x = 1,080,689,488,871,610,880
  5. Step 5: Solve for x
    x = 1,080,689,488,871,610,880/1,154,559,052.53
  6. Step 6: Final answer
    x = 936,019,241.72

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Double scale
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1.5x scale

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.