Home / 12,457,613,448.06-17,191,613,767.59-7,105,444,909.26

Finding the Fourth Proportional to 12,457,613,448.06, 17,191,613,767.59 and 7,105,444,909.26

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Solution

The fourth proportional to 12,457,613,448.06, 17,191,613,767.59 and 7,105,444,909.26 is: 9,805,575,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,613,448.06 : 17,191,613,767.59 = 7,105,444,909.26 : x
  2. Step 2: Convert to fraction form
    12,457,613,448.06/17,191,613,767.59 = 7,105,444,909.26/x
  3. Step 3: Cross multiply
    12,457,613,448.06x = 17,191,613,767.59 × 7,105,444,909.26
  4. Step 4: Simplify right side
    12,457,613,448.06x = 122,154,064,526,886,502,400
  5. Step 5: Solve for x
    x = 122,154,064,526,886,502,400/12,457,613,448.06
  6. Step 6: Final answer
    x = 9,805,575,123.69

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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.