Home / 1,263,709,521.01-1,895,822,818.03-434,555,478.15

Finding the Fourth Proportional to 1,263,709,521.01, 1,895,822,818.03 and 434,555,478.15

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Solution

The fourth proportional to 1,263,709,521.01, 1,895,822,818.03 and 434,555,478.15 is: 651,922,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,709,521.01 : 1,895,822,818.03 = 434,555,478.15 : x
  2. Step 2: Convert to fraction form
    1,263,709,521.01/1,895,822,818.03 = 434,555,478.15/x
  3. Step 3: Cross multiply
    1,263,709,521.01x = 1,895,822,818.03 × 434,555,478.15
  4. Step 4: Simplify right side
    1,263,709,521.01x = 823,840,191,167,685,760
  5. Step 5: Solve for x
    x = 823,840,191,167,685,760/1,263,709,521.01
  6. Step 6: Final answer
    x = 651,922,120.92

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.