Home / 904,990,547.70-1,357,485,821.55-359,732,081.70

Finding the Fourth Proportional to 904,990,547.70, 1,357,485,821.55 and 359,732,081.70

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Solution

The fourth proportional to 904,990,547.70, 1,357,485,821.55 and 359,732,081.70 is: 539,598,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,990,547.70 : 1,357,485,821.55 = 359,732,081.70 : x
  2. Step 2: Convert to fraction form
    904,990,547.70/1,357,485,821.55 = 359,732,081.70/x
  3. Step 3: Cross multiply
    904,990,547.70x = 1,357,485,821.55 × 359,732,081.70
  4. Step 4: Simplify right side
    904,990,547.70x = 488,331,200,464,416,192
  5. Step 5: Solve for x
    x = 488,331,200,464,416,192/904,990,547.70
  6. Step 6: Final answer
    x = 539,598,122.55

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Double scale
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Similar ratio
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1.5x scale

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.