Home / 1,255,816,132.44-1,883,896,584.52-426,547,146.62

Finding the Fourth Proportional to 1,255,816,132.44, 1,883,896,584.52 and 426,547,146.62

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Solution

The fourth proportional to 1,255,816,132.44, 1,883,896,584.52 and 426,547,146.62 is: 639,879,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,816,132.44 : 1,883,896,584.52 = 426,547,146.62 : x
  2. Step 2: Convert to fraction form
    1,255,816,132.44/1,883,896,584.52 = 426,547,146.62/x
  3. Step 3: Cross multiply
    1,255,816,132.44x = 1,883,896,584.52 × 426,547,146.62
  4. Step 4: Simplify right side
    1,255,816,132.44x = 803,570,712,654,169,600
  5. Step 5: Solve for x
    x = 803,570,712,654,169,600/1,255,816,132.44
  6. Step 6: Final answer
    x = 639,879,272.05

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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.