Home / 630,088,752.40-945,133,128.60-545,154,096.40

Finding the Fourth Proportional to 630,088,752.40, 945,133,128.60 and 545,154,096.40

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Solution

The fourth proportional to 630,088,752.40, 945,133,128.60 and 545,154,096.40 is: 817,731,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,088,752.40 : 945,133,128.60 = 545,154,096.40 : x
  2. Step 2: Convert to fraction form
    630,088,752.40/945,133,128.60 = 545,154,096.40/x
  3. Step 3: Cross multiply
    630,088,752.40x = 945,133,128.60 × 545,154,096.40
  4. Step 4: Simplify right side
    630,088,752.40x = 515,243,196,699,638,016
  5. Step 5: Solve for x
    x = 515,243,196,699,638,016/630,088,752.40
  6. Step 6: Final answer
    x = 817,731,144.60

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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.