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Finding the Fourth Proportional to 630,088,704.90, 945,133,057.35 and 545,154,048.90

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Solution

The fourth proportional to 630,088,704.90, 945,133,057.35 and 545,154,048.90 is: 817,731,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,088,704.90 : 945,133,057.35 = 545,154,048.90 : x
  2. Step 2: Convert to fraction form
    630,088,704.90/945,133,057.35 = 545,154,048.90/x
  3. Step 3: Cross multiply
    630,088,704.90x = 945,133,057.35 × 545,154,048.90
  4. Step 4: Simplify right side
    630,088,704.90x = 515,243,112,963,588,416
  5. Step 5: Solve for x
    x = 515,243,112,963,588,416/630,088,704.90
  6. Step 6: Final answer
    x = 817,731,073.35

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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.