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Finding the Fourth Proportional to 944,786,000.40, 1,417,179,000.60 and 648,879,651.60

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Solution

The fourth proportional to 944,786,000.40, 1,417,179,000.60 and 648,879,651.60 is: 973,319,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,786,000.40 : 1,417,179,000.60 = 648,879,651.60 : x
  2. Step 2: Convert to fraction form
    944,786,000.40/1,417,179,000.60 = 648,879,651.60/x
  3. Step 3: Cross multiply
    944,786,000.40x = 1,417,179,000.60 × 648,879,651.60
  4. Step 4: Simplify right side
    944,786,000.40x = 919,578,616,164,164,224
  5. Step 5: Solve for x
    x = 919,578,616,164,164,224/944,786,000.40
  6. Step 6: Final answer
    x = 973,319,477.40

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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.