Home / 1,090,152,783.70-1,635,441,751.95-468,366,813.70

Finding the Fourth Proportional to 1,090,152,783.70, 1,635,441,751.95 and 468,366,813.70

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Solution

The fourth proportional to 1,090,152,783.70, 1,635,441,751.95 and 468,366,813.70 is: 702,641,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,152,783.70 : 1,635,441,751.95 = 468,366,813.70 : x
  2. Step 2: Convert to fraction form
    1,090,152,783.70/1,635,441,751.95 = 468,366,813.70/x
  3. Step 3: Cross multiply
    1,090,152,783.70x = 1,635,441,751.95 × 468,366,813.70
  4. Step 4: Simplify right side
    1,090,152,783.70x = 765,986,642,352,767,232
  5. Step 5: Solve for x
    x = 765,986,642,352,767,232/1,090,152,783.70
  6. Step 6: Final answer
    x = 702,641,550.62

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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.