Home / 887,221,851.48-1,224,283,989.51-490,736,307.60

Finding the Fourth Proportional to 887,221,851.48, 1,224,283,989.51 and 490,736,307.60

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Solution

The fourth proportional to 887,221,851.48, 1,224,283,989.51 and 490,736,307.60 is: 677,170,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,221,851.48 : 1,224,283,989.51 = 490,736,307.60 : x
  2. Step 2: Convert to fraction form
    887,221,851.48/1,224,283,989.51 = 490,736,307.60/x
  3. Step 3: Cross multiply
    887,221,851.48x = 1,224,283,989.51 × 490,736,307.60
  4. Step 4: Simplify right side
    887,221,851.48x = 600,800,604,465,934,592
  5. Step 5: Solve for x
    x = 600,800,604,465,934,592/887,221,851.48
  6. Step 6: Final answer
    x = 677,170,657.44

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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.