Home / 695,499,551.60-1,043,249,327.40-642,946,233.20

Finding the Fourth Proportional to 695,499,551.60, 1,043,249,327.40 and 642,946,233.20

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Solution

The fourth proportional to 695,499,551.60, 1,043,249,327.40 and 642,946,233.20 is: 964,419,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,499,551.60 : 1,043,249,327.40 = 642,946,233.20 : x
  2. Step 2: Convert to fraction form
    695,499,551.60/1,043,249,327.40 = 642,946,233.20/x
  3. Step 3: Cross multiply
    695,499,551.60x = 1,043,249,327.40 × 642,946,233.20
  4. Step 4: Simplify right side
    695,499,551.60x = 670,753,225,340,263,552
  5. Step 5: Solve for x
    x = 670,753,225,340,263,552/695,499,551.60
  6. Step 6: Final answer
    x = 964,419,349.80

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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.