Home / 1,406,641,741.44-1,941,281,811.36-780,312,105.60

Finding the Fourth Proportional to 1,406,641,741.44, 1,941,281,811.36 and 780,312,105.60

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Solution

The fourth proportional to 1,406,641,741.44, 1,941,281,811.36 and 780,312,105.60 is: 1,076,895,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,641,741.44 : 1,941,281,811.36 = 780,312,105.60 : x
  2. Step 2: Convert to fraction form
    1,406,641,741.44/1,941,281,811.36 = 780,312,105.60/x
  3. Step 3: Cross multiply
    1,406,641,741.44x = 1,941,281,811.36 × 780,312,105.60
  4. Step 4: Simplify right side
    1,406,641,741.44x = 1,514,805,697,785,303,552
  5. Step 5: Solve for x
    x = 1,514,805,697,785,303,552/1,406,641,741.44
  6. Step 6: Final answer
    x = 1,076,895,170.36

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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.