Home / 1,382,630,539.06-1,908,178,010.01-847,137,582.31

Finding the Fourth Proportional to 1,382,630,539.06, 1,908,178,010.01 and 847,137,582.31

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Solution

The fourth proportional to 1,382,630,539.06, 1,908,178,010.01 and 847,137,582.31 is: 1,169,140,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,630,539.06 : 1,908,178,010.01 = 847,137,582.31 : x
  2. Step 2: Convert to fraction form
    1,382,630,539.06/1,908,178,010.01 = 847,137,582.31/x
  3. Step 3: Cross multiply
    1,382,630,539.06x = 1,908,178,010.01 × 847,137,582.31
  4. Step 4: Simplify right side
    1,382,630,539.06x = 1,616,489,306,016,978,176
  5. Step 5: Solve for x
    x = 1,616,489,306,016,978,176/1,382,630,539.06
  6. Step 6: Final answer
    x = 1,169,140,461.14

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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.