Home / 910,646,804.09-1,256,701,253.54-534,309,794.78

Finding the Fourth Proportional to 910,646,804.09, 1,256,701,253.54 and 534,309,794.78

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Solution

The fourth proportional to 910,646,804.09, 1,256,701,253.54 and 534,309,794.78 is: 737,352,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,646,804.09 : 1,256,701,253.54 = 534,309,794.78 : x
  2. Step 2: Convert to fraction form
    910,646,804.09/1,256,701,253.54 = 534,309,794.78/x
  3. Step 3: Cross multiply
    910,646,804.09x = 1,256,701,253.54 × 534,309,794.78
  4. Step 4: Simplify right side
    910,646,804.09x = 671,467,788,869,771,136
  5. Step 5: Solve for x
    x = 671,467,788,869,771,136/910,646,804.09
  6. Step 6: Final answer
    x = 737,352,600.21

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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.