Home / 820,998,603.06-1,132,548,528.21-507,632,645.94

Finding the Fourth Proportional to 820,998,603.06, 1,132,548,528.21 and 507,632,645.94

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Solution

The fourth proportional to 820,998,603.06, 1,132,548,528.21 and 507,632,645.94 is: 700,267,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,998,603.06 : 1,132,548,528.21 = 507,632,645.94 : x
  2. Step 2: Convert to fraction form
    820,998,603.06/1,132,548,528.21 = 507,632,645.94/x
  3. Step 3: Cross multiply
    820,998,603.06x = 1,132,548,528.21 × 507,632,645.94
  4. Step 4: Simplify right side
    820,998,603.06x = 574,918,606,030,695,040
  5. Step 5: Solve for x
    x = 574,918,606,030,695,040/820,998,603.06
  6. Step 6: Final answer
    x = 700,267,459.52

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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.