Home / 744,668,312.58-1,027,688,942.61-410,140,768.50

Finding the Fourth Proportional to 744,668,312.58, 1,027,688,942.61 and 410,140,768.50

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Solution

The fourth proportional to 744,668,312.58, 1,027,688,942.61 and 410,140,768.50 is: 566,019,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,668,312.58 : 1,027,688,942.61 = 410,140,768.50 : x
  2. Step 2: Convert to fraction form
    744,668,312.58/1,027,688,942.61 = 410,140,768.50/x
  3. Step 3: Cross multiply
    744,668,312.58x = 1,027,688,942.61 × 410,140,768.50
  4. Step 4: Simplify right side
    744,668,312.58x = 421,497,132,701,017,792
  5. Step 5: Solve for x
    x = 421,497,132,701,017,792/744,668,312.58
  6. Step 6: Final answer
    x = 566,019,965.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.