Home / 351,734,816,382.60-525,233,636,853.20-287,250,426,521.51

Finding the Fourth Proportional to 351,734,816,382.60, 525,233,636,853.20 and 287,250,426,521.51

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Solution

The fourth proportional to 351,734,816,382.60, 525,233,636,853.20 and 287,250,426,521.51 is: 428,941,290,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,734,816,382.60 : 525,233,636,853.20 = 287,250,426,521.51 : x
  2. Step 2: Convert to fraction form
    351,734,816,382.60/525,233,636,853.20 = 287,250,426,521.51/x
  3. Step 3: Cross multiply
    351,734,816,382.60x = 525,233,636,853.20 × 287,250,426,521.51
  4. Step 4: Simplify right side
    351,734,816,382.60x = 150,873,586,209,525,598,257,152
  5. Step 5: Solve for x
    x = 150,873,586,209,525,598,257,152/351,734,816,382.60
  6. Step 6: Final answer
    x = 428,941,290,945.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.