Home / 702,066,803.60-1,053,100,205.40-528,604,461.20

Finding the Fourth Proportional to 702,066,803.60, 1,053,100,205.40 and 528,604,461.20

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Solution

The fourth proportional to 702,066,803.60, 1,053,100,205.40 and 528,604,461.20 is: 792,906,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,066,803.60 : 1,053,100,205.40 = 528,604,461.20 : x
  2. Step 2: Convert to fraction form
    702,066,803.60/1,053,100,205.40 = 528,604,461.20/x
  3. Step 3: Cross multiply
    702,066,803.60x = 1,053,100,205.40 × 528,604,461.20
  4. Step 4: Simplify right side
    702,066,803.60x = 556,673,466,665,076,288
  5. Step 5: Solve for x
    x = 556,673,466,665,076,288/702,066,803.60
  6. Step 6: Final answer
    x = 792,906,691.80

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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.