Home / 9,465,006,759.10-13,062,018,955.89-5,178,120,630.19

Finding the Fourth Proportional to 9,465,006,759.10, 13,062,018,955.89 and 5,178,120,630.19

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Solution

The fourth proportional to 9,465,006,759.10, 13,062,018,955.89 and 5,178,120,630.19 is: 7,145,975,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465,006,759.10 : 13,062,018,955.89 = 5,178,120,630.19 : x
  2. Step 2: Convert to fraction form
    9,465,006,759.10/13,062,018,955.89 = 5,178,120,630.19/x
  3. Step 3: Cross multiply
    9,465,006,759.10x = 13,062,018,955.89 × 5,178,120,630.19
  4. Step 4: Simplify right side
    9,465,006,759.10x = 67,636,709,827,426,844,672
  5. Step 5: Solve for x
    x = 67,636,709,827,426,844,672/9,465,006,759.10
  6. Step 6: Final answer
    x = 7,145,975,861.28

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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.