Home / 1,386,083,551.80-1,912,889,148.96-783,045,022.32

Finding the Fourth Proportional to 1,386,083,551.80, 1,912,889,148.96 and 783,045,022.32

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Solution

The fourth proportional to 1,386,083,551.80, 1,912,889,148.96 and 783,045,022.32 is: 1,080,655,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,083,551.80 : 1,912,889,148.96 = 783,045,022.32 : x
  2. Step 2: Convert to fraction form
    1,386,083,551.80/1,912,889,148.96 = 783,045,022.32/x
  3. Step 3: Cross multiply
    1,386,083,551.80x = 1,912,889,148.96 × 783,045,022.32
  4. Step 4: Simplify right side
    1,386,083,551.80x = 1,497,878,326,343,069,184
  5. Step 5: Solve for x
    x = 1,497,878,326,343,069,184/1,386,083,551.80
  6. Step 6: Final answer
    x = 1,080,655,148.38

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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.