Home / 1,190,513,466.06-1,642,944,179.79-654,637,294.86

Finding the Fourth Proportional to 1,190,513,466.06, 1,642,944,179.79 and 654,637,294.86

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Solution

The fourth proportional to 1,190,513,466.06, 1,642,944,179.79 and 654,637,294.86 is: 903,419,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,513,466.06 : 1,642,944,179.79 = 654,637,294.86 : x
  2. Step 2: Convert to fraction form
    1,190,513,466.06/1,642,944,179.79 = 654,637,294.86/x
  3. Step 3: Cross multiply
    1,190,513,466.06x = 1,642,944,179.79 × 654,637,294.86
  4. Step 4: Simplify right side
    1,190,513,466.06x = 1,075,532,533,463,707,136
  5. Step 5: Solve for x
    x = 1,075,532,533,463,707,136/1,190,513,466.06
  6. Step 6: Final answer
    x = 903,419,040.71

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Double scale
Find fourth proportional to 1,190,513,467.06, 1,642,944,181.17 and 654,637,295.86
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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.