Home / 20,368,645,235.04-28,108,234,333.58-11,213,099,661.15

Finding the Fourth Proportional to 20,368,645,235.04, 28,108,234,333.58 and 11,213,099,661.15

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Solution

The fourth proportional to 20,368,645,235.04, 28,108,234,333.58 and 11,213,099,661.15 is: 15,473,804,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,645,235.04 : 28,108,234,333.58 = 11,213,099,661.15 : x
  2. Step 2: Convert to fraction form
    20,368,645,235.04/28,108,234,333.58 = 11,213,099,661.15/x
  3. Step 3: Cross multiply
    20,368,645,235.04x = 28,108,234,333.58 × 11,213,099,661.15
  4. Step 4: Simplify right side
    20,368,645,235.04x = 315,180,432,881,334,616,064
  5. Step 5: Solve for x
    x = 315,180,432,881,334,616,064/20,368,645,235.04
  6. Step 6: Final answer
    x = 15,473,804,430.50

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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.