Home / 1,308,303,664.83-1,963,328,205.02-678,616,063.83

Finding the Fourth Proportional to 1,308,303,664.83, 1,963,328,205.02 and 678,616,063.83

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Solution

The fourth proportional to 1,308,303,664.83, 1,963,328,205.02 and 678,616,063.83 is: 1,018,376,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,303,664.83 : 1,963,328,205.02 = 678,616,063.83 : x
  2. Step 2: Convert to fraction form
    1,308,303,664.83/1,963,328,205.02 = 678,616,063.83/x
  3. Step 3: Cross multiply
    1,308,303,664.83x = 1,963,328,205.02 × 678,616,063.83
  4. Step 4: Simplify right side
    1,308,303,664.83x = 1,332,346,058,493,698,816
  5. Step 5: Solve for x
    x = 1,332,346,058,493,698,816/1,308,303,664.83
  6. Step 6: Final answer
    x = 1,018,376,768.57

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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.