Home / 1,816,688,572.11-2,507,031,327.84-981,313,511.76

Finding the Fourth Proportional to 1,816,688,572.11, 2,507,031,327.84 and 981,313,511.76

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Solution

The fourth proportional to 1,816,688,572.11, 2,507,031,327.84 and 981,313,511.76 is: 1,354,213,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,688,572.11 : 2,507,031,327.84 = 981,313,511.76 : x
  2. Step 2: Convert to fraction form
    1,816,688,572.11/2,507,031,327.84 = 981,313,511.76/x
  3. Step 3: Cross multiply
    1,816,688,572.11x = 2,507,031,327.84 × 981,313,511.76
  4. Step 4: Simplify right side
    1,816,688,572.11x = 2,460,183,716,415,006,208
  5. Step 5: Solve for x
    x = 2,460,183,716,415,006,208/1,816,688,572.11
  6. Step 6: Final answer
    x = 1,354,213,239.51

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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.