Home / 12,613,884,962.80-18,922,122,802.68-4,759,907,079.28

Finding the Fourth Proportional to 12,613,884,962.80, 18,922,122,802.68 and 4,759,907,079.28

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Solution

The fourth proportional to 12,613,884,962.80, 18,922,122,802.68 and 4,759,907,079.28 is: 7,140,349,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,884,962.80 : 18,922,122,802.68 = 4,759,907,079.28 : x
  2. Step 2: Convert to fraction form
    12,613,884,962.80/18,922,122,802.68 = 4,759,907,079.28/x
  3. Step 3: Cross multiply
    12,613,884,962.80x = 18,922,122,802.68 × 4,759,907,079.28
  4. Step 4: Simplify right side
    12,613,884,962.80x = 90,067,546,283,482,038,272
  5. Step 5: Solve for x
    x = 90,067,546,283,482,038,272/12,613,884,962.80
  6. Step 6: Final answer
    x = 7,140,349,428.36

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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.