Home / 12,636,759,711.66-17,439,276,574.95-6,997,975,563.66

Finding the Fourth Proportional to 12,636,759,711.66, 17,439,276,574.95 and 6,997,975,563.66

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Solution

The fourth proportional to 12,636,759,711.66, 17,439,276,574.95 and 6,997,975,563.66 is: 9,657,509,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,759,711.66 : 17,439,276,574.95 = 6,997,975,563.66 : x
  2. Step 2: Convert to fraction form
    12,636,759,711.66/17,439,276,574.95 = 6,997,975,563.66/x
  3. Step 3: Cross multiply
    12,636,759,711.66x = 17,439,276,574.95 × 6,997,975,563.66
  4. Step 4: Simplify right side
    12,636,759,711.66x = 122,039,631,319,408,361,472
  5. Step 5: Solve for x
    x = 122,039,631,319,408,361,472/12,636,759,711.66
  6. Step 6: Final answer
    x = 9,657,509,844.62

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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.