Home / 1,260,379,412.16-1,739,325,995.64-695,865,385.80

Finding the Fourth Proportional to 1,260,379,412.16, 1,739,325,995.64 and 695,865,385.80

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Solution

The fourth proportional to 1,260,379,412.16, 1,739,325,995.64 and 695,865,385.80 is: 960,295,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,379,412.16 : 1,739,325,995.64 = 695,865,385.80 : x
  2. Step 2: Convert to fraction form
    1,260,379,412.16/1,739,325,995.64 = 695,865,385.80/x
  3. Step 3: Cross multiply
    1,260,379,412.16x = 1,739,325,995.64 × 695,865,385.80
  4. Step 4: Simplify right side
    1,260,379,412.16x = 1,210,336,754,987,997,696
  5. Step 5: Solve for x
    x = 1,210,336,754,987,997,696/1,260,379,412.16
  6. Step 6: Final answer
    x = 960,295,561.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.