Home / 705,416,615.30-1,057,533,030.30-311,879,904.68

Finding the Fourth Proportional to 705,416,615.30, 1,057,533,030.30 and 311,879,904.68

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Solution

The fourth proportional to 705,416,615.30, 1,057,533,030.30 and 311,879,904.68 is: 467,558,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,416,615.30 : 1,057,533,030.30 = 311,879,904.68 : x
  2. Step 2: Convert to fraction form
    705,416,615.30/1,057,533,030.30 = 311,879,904.68/x
  3. Step 3: Cross multiply
    705,416,615.30x = 1,057,533,030.30 × 311,879,904.68
  4. Step 4: Simplify right side
    705,416,615.30x = 329,823,300,688,559,360
  5. Step 5: Solve for x
    x = 329,823,300,688,559,360/705,416,615.30
  6. Step 6: Final answer
    x = 467,558,168.52

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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.