Home / 984,092,859.20-1,358,050,579.26-538,085,034.56

Finding the Fourth Proportional to 984,092,859.20, 1,358,050,579.26 and 538,085,034.56

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Solution

The fourth proportional to 984,092,859.20, 1,358,050,579.26 and 538,085,034.56 is: 742,558,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,092,859.20 : 1,358,050,579.26 = 538,085,034.56 : x
  2. Step 2: Convert to fraction form
    984,092,859.20/1,358,050,579.26 = 538,085,034.56/x
  3. Step 3: Cross multiply
    984,092,859.20x = 1,358,050,579.26 × 538,085,034.56
  4. Step 4: Simplify right side
    984,092,859.20x = 730,746,692,875,345,024
  5. Step 5: Solve for x
    x = 730,746,692,875,345,024/984,092,859.20
  6. Step 6: Final answer
    x = 742,558,678.32

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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.