Home / 798,120,200.40-1,197,180,300.60-525,798,459.60

Finding the Fourth Proportional to 798,120,200.40, 1,197,180,300.60 and 525,798,459.60

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Solution

The fourth proportional to 798,120,200.40, 1,197,180,300.60 and 525,798,459.60 is: 788,697,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,120,200.40 : 1,197,180,300.60 = 525,798,459.60 : x
  2. Step 2: Convert to fraction form
    798,120,200.40/1,197,180,300.60 = 525,798,459.60/x
  3. Step 3: Cross multiply
    798,120,200.40x = 1,197,180,300.60 × 525,798,459.60
  4. Step 4: Simplify right side
    798,120,200.40x = 629,475,557,918,944,896
  5. Step 5: Solve for x
    x = 629,475,557,918,944,896/798,120,200.40
  6. Step 6: Final answer
    x = 788,697,689.40

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1.5x scale

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.