Home / 1,116,272,641.46-1,540,441,208.50-621,235,218.74

Finding the Fourth Proportional to 1,116,272,641.46, 1,540,441,208.50 and 621,235,218.74

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Solution

The fourth proportional to 1,116,272,641.46, 1,540,441,208.50 and 621,235,218.74 is: 857,296,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,272,641.46 : 1,540,441,208.50 = 621,235,218.74 : x
  2. Step 2: Convert to fraction form
    1,116,272,641.46/1,540,441,208.50 = 621,235,218.74/x
  3. Step 3: Cross multiply
    1,116,272,641.46x = 1,540,441,208.50 × 621,235,218.74
  4. Step 4: Simplify right side
    1,116,272,641.46x = 956,976,331,109,352,192
  5. Step 5: Solve for x
    x = 956,976,331,109,352,192/1,116,272,641.46
  6. Step 6: Final answer
    x = 857,296,233.53

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Double scale
Find fourth proportional to 1,116,272,642.46, 1,540,441,209.88 and 621,235,219.74
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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.