Home / 12,636,759,765.32-17,439,276,649.04-6,997,975,617.68

Finding the Fourth Proportional to 12,636,759,765.32, 17,439,276,649.04 and 6,997,975,617.68

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Solution

The fourth proportional to 12,636,759,765.32, 17,439,276,649.04 and 6,997,975,617.68 is: 9,657,509,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,759,765.32 : 17,439,276,649.04 = 6,997,975,617.68 : x
  2. Step 2: Convert to fraction form
    12,636,759,765.32/17,439,276,649.04 = 6,997,975,617.68/x
  3. Step 3: Cross multiply
    12,636,759,765.32x = 17,439,276,649.04 × 6,997,975,617.68
  4. Step 4: Simplify right side
    12,636,759,765.32x = 122,039,632,779,958,108,160
  5. Step 5: Solve for x
    x = 122,039,632,779,958,108,160/12,636,759,765.32
  6. Step 6: Final answer
    x = 9,657,509,919.19

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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.