Home / 708,735,866.80-1,063,103,800.20-435,219,732.40

Finding the Fourth Proportional to 708,735,866.80, 1,063,103,800.20 and 435,219,732.40

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Solution

The fourth proportional to 708,735,866.80, 1,063,103,800.20 and 435,219,732.40 is: 652,829,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,735,866.80 : 1,063,103,800.20 = 435,219,732.40 : x
  2. Step 2: Convert to fraction form
    708,735,866.80/1,063,103,800.20 = 435,219,732.40/x
  3. Step 3: Cross multiply
    708,735,866.80x = 1,063,103,800.20 × 435,219,732.40
  4. Step 4: Simplify right side
    708,735,866.80x = 462,683,751,436,467,072
  5. Step 5: Solve for x
    x = 462,683,751,436,467,072/708,735,866.80
  6. Step 6: Final answer
    x = 652,829,598.60

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Double scale
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Similar ratio
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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.