Home / 948,500,933.92-1,308,903,175.72-525,133,465.92

Finding the Fourth Proportional to 948,500,933.92, 1,308,903,175.72 and 525,133,465.92

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Solution

The fourth proportional to 948,500,933.92, 1,308,903,175.72 and 525,133,465.92 is: 724,668,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,500,933.92 : 1,308,903,175.72 = 525,133,465.92 : x
  2. Step 2: Convert to fraction form
    948,500,933.92/1,308,903,175.72 = 525,133,465.92/x
  3. Step 3: Cross multiply
    948,500,933.92x = 1,308,903,175.72 × 525,133,465.92
  4. Step 4: Simplify right side
    948,500,933.92x = 687,348,861,219,538,432
  5. Step 5: Solve for x
    x = 687,348,861,219,538,432/948,500,933.92
  6. Step 6: Final answer
    x = 724,668,618.28

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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.