Home / 909,358,211.70-1,364,037,317.55-392,372,406.90

Finding the Fourth Proportional to 909,358,211.70, 1,364,037,317.55 and 392,372,406.90

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Solution

The fourth proportional to 909,358,211.70, 1,364,037,317.55 and 392,372,406.90 is: 588,558,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,358,211.70 : 1,364,037,317.55 = 392,372,406.90 : x
  2. Step 2: Convert to fraction form
    909,358,211.70/1,364,037,317.55 = 392,372,406.90/x
  3. Step 3: Cross multiply
    909,358,211.70x = 1,364,037,317.55 × 392,372,406.90
  4. Step 4: Simplify right side
    909,358,211.70x = 535,210,605,388,513,088
  5. Step 5: Solve for x
    x = 535,210,605,388,513,088/909,358,211.70
  6. Step 6: Final answer
    x = 588,558,610.35

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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.