Home / 726,861,856.60-1,090,292,784.90-654,302,445.40

Finding the Fourth Proportional to 726,861,856.60, 1,090,292,784.90 and 654,302,445.40

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Solution

The fourth proportional to 726,861,856.60, 1,090,292,784.90 and 654,302,445.40 is: 981,453,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,861,856.60 : 1,090,292,784.90 = 654,302,445.40 : x
  2. Step 2: Convert to fraction form
    726,861,856.60/1,090,292,784.90 = 654,302,445.40/x
  3. Step 3: Cross multiply
    726,861,856.60x = 1,090,292,784.90 × 654,302,445.40
  4. Step 4: Simplify right side
    726,861,856.60x = 713,381,235,362,046,208
  5. Step 5: Solve for x
    x = 713,381,235,362,046,208/726,861,856.60
  6. Step 6: Final answer
    x = 981,453,668.10

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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.