Home / 1,339,905,411.16-1,849,120,483.29-745,232,896.68

Finding the Fourth Proportional to 1,339,905,411.16, 1,849,120,483.29 and 745,232,896.68

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Solution

The fourth proportional to 1,339,905,411.16, 1,849,120,483.29 and 745,232,896.68 is: 1,028,449,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,905,411.16 : 1,849,120,483.29 = 745,232,896.68 : x
  2. Step 2: Convert to fraction form
    1,339,905,411.16/1,849,120,483.29 = 745,232,896.68/x
  3. Step 3: Cross multiply
    1,339,905,411.16x = 1,849,120,483.29 × 745,232,896.68
  4. Step 4: Simplify right side
    1,339,905,411.16x = 1,378,025,414,059,556,352
  5. Step 5: Solve for x
    x = 1,378,025,414,059,556,352/1,339,905,411.16
  6. Step 6: Final answer
    x = 1,028,449,771.59

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Double scale
Find fourth proportional to 1,339,905,412.16, 1,849,120,484.67 and 745,232,897.68
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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.