Home / 983,413,105.20-1,475,119,657.80-493,637,079.60

Finding the Fourth Proportional to 983,413,105.20, 1,475,119,657.80 and 493,637,079.60

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Solution

The fourth proportional to 983,413,105.20, 1,475,119,657.80 and 493,637,079.60 is: 740,455,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,413,105.20 : 1,475,119,657.80 = 493,637,079.60 : x
  2. Step 2: Convert to fraction form
    983,413,105.20/1,475,119,657.80 = 493,637,079.60/x
  3. Step 3: Cross multiply
    983,413,105.20x = 1,475,119,657.80 × 493,637,079.60
  4. Step 4: Simplify right side
    983,413,105.20x = 728,173,759,936,943,360
  5. Step 5: Solve for x
    x = 728,173,759,936,943,360/983,413,105.20
  6. Step 6: Final answer
    x = 740,455,619.40

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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.