Home / 1,525,068,000.40-2,287,602,000.60-419,670,720.40

Finding the Fourth Proportional to 1,525,068,000.40, 2,287,602,000.60 and 419,670,720.40

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Solution

The fourth proportional to 1,525,068,000.40, 2,287,602,000.60 and 419,670,720.40 is: 629,506,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,068,000.40 : 2,287,602,000.60 = 419,670,720.40 : x
  2. Step 2: Convert to fraction form
    1,525,068,000.40/2,287,602,000.60 = 419,670,720.40/x
  3. Step 3: Cross multiply
    1,525,068,000.40x = 2,287,602,000.60 × 419,670,720.40
  4. Step 4: Simplify right side
    1,525,068,000.40x = 960,039,579,580,283,136
  5. Step 5: Solve for x
    x = 960,039,579,580,283,136/1,525,068,000.40
  6. Step 6: Final answer
    x = 629,506,080.60

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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.