Home / 1,731,518,571.16-2,389,431,588.60-938,547,524.80

Finding the Fourth Proportional to 1,731,518,571.16, 2,389,431,588.60 and 938,547,524.80

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Solution

The fourth proportional to 1,731,518,571.16, 2,389,431,588.60 and 938,547,524.80 is: 1,295,160,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,518,571.16 : 2,389,431,588.60 = 938,547,524.80 : x
  2. Step 2: Convert to fraction form
    1,731,518,571.16/2,389,431,588.60 = 938,547,524.80/x
  3. Step 3: Cross multiply
    1,731,518,571.16x = 2,389,431,588.60 × 938,547,524.80
  4. Step 4: Simplify right side
    1,731,518,571.16x = 2,242,595,103,159,461,632
  5. Step 5: Solve for x
    x = 2,242,595,103,159,461,632/1,731,518,571.16
  6. Step 6: Final answer
    x = 1,295,160,872.38

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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.