Home / 19,131,956,141.40-28,697,934,212.10-8,792,240,045.40

Finding the Fourth Proportional to 19,131,956,141.40, 28,697,934,212.10 and 8,792,240,045.40

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Solution

The fourth proportional to 19,131,956,141.40, 28,697,934,212.10 and 8,792,240,045.40 is: 13,188,360,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,956,141.40 : 28,697,934,212.10 = 8,792,240,045.40 : x
  2. Step 2: Convert to fraction form
    19,131,956,141.40/28,697,934,212.10 = 8,792,240,045.40/x
  3. Step 3: Cross multiply
    19,131,956,141.40x = 28,697,934,212.10 × 8,792,240,045.40
  4. Step 4: Simplify right side
    19,131,956,141.40x = 252,319,126,399,880,298,496
  5. Step 5: Solve for x
    x = 252,319,126,399,880,298,496/19,131,956,141.40
  6. Step 6: Final answer
    x = 13,188,360,068.10

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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.