Home / 388,045,698.60-582,068,547.90-335,893,621.80

Finding the Fourth Proportional to 388,045,698.60, 582,068,547.90 and 335,893,621.80

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Solution

The fourth proportional to 388,045,698.60, 582,068,547.90 and 335,893,621.80 is: 503,840,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,045,698.60 : 582,068,547.90 = 335,893,621.80 : x
  2. Step 2: Convert to fraction form
    388,045,698.60/582,068,547.90 = 335,893,621.80/x
  3. Step 3: Cross multiply
    388,045,698.60x = 582,068,547.90 × 335,893,621.80
  4. Step 4: Simplify right side
    388,045,698.60x = 195,513,112,689,997,792
  5. Step 5: Solve for x
    x = 195,513,112,689,997,792/388,045,698.60
  6. Step 6: Final answer
    x = 503,840,432.70

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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.