Home / 745,728,004.80-1,118,592,007.20-474,302,059.20

Finding the Fourth Proportional to 745,728,004.80, 1,118,592,007.20 and 474,302,059.20

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Solution

The fourth proportional to 745,728,004.80, 1,118,592,007.20 and 474,302,059.20 is: 711,453,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,728,004.80 : 1,118,592,007.20 = 474,302,059.20 : x
  2. Step 2: Convert to fraction form
    745,728,004.80/1,118,592,007.20 = 474,302,059.20/x
  3. Step 3: Cross multiply
    745,728,004.80x = 1,118,592,007.20 × 474,302,059.20
  4. Step 4: Simplify right side
    745,728,004.80x = 530,550,492,419,621,248
  5. Step 5: Solve for x
    x = 530,550,492,419,621,248/745,728,004.80
  6. Step 6: Final answer
    x = 711,453,088.80

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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.