Home / 708,588,603.20-1,062,882,904.80-648,323,193.80

Finding the Fourth Proportional to 708,588,603.20, 1,062,882,904.80 and 648,323,193.80

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Solution

The fourth proportional to 708,588,603.20, 1,062,882,904.80 and 648,323,193.80 is: 972,484,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,603.20 : 1,062,882,904.80 = 648,323,193.80 : x
  2. Step 2: Convert to fraction form
    708,588,603.20/1,062,882,904.80 = 648,323,193.80/x
  3. Step 3: Cross multiply
    708,588,603.20x = 1,062,882,904.80 × 648,323,193.80
  4. Step 4: Simplify right side
    708,588,603.20x = 689,091,639,475,357,312
  5. Step 5: Solve for x
    x = 689,091,639,475,357,312/708,588,603.20
  6. Step 6: Final answer
    x = 972,484,790.70

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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.