Home / 730,039,506,898.62-1,007,321,310,030.30-421,278,225,342.30

Finding the Fourth Proportional to 730,039,506,898.62, 1,007,321,310,030.30 and 421,278,225,342.30

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Solution

The fourth proportional to 730,039,506,898.62, 1,007,321,310,030.30 and 421,278,225,342.30 is: 581,287,080,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,039,506,898.62 : 1,007,321,310,030.30 = 421,278,225,342.30 : x
  2. Step 2: Convert to fraction form
    730,039,506,898.62/1,007,321,310,030.30 = 421,278,225,342.30/x
  3. Step 3: Cross multiply
    730,039,506,898.62x = 1,007,321,310,030.30 × 421,278,225,342.30
  4. Step 4: Simplify right side
    730,039,506,898.62x = 424,362,533,839,045,589,467,136
  5. Step 5: Solve for x
    x = 424,362,533,839,045,589,467,136/730,039,506,898.62
  6. Step 6: Final answer
    x = 581,287,080,807.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.