Home / 1,816,688,571.10-2,507,031,326.44-981,313,510.74

Finding the Fourth Proportional to 1,816,688,571.10, 2,507,031,326.44 and 981,313,510.74

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Solution

The fourth proportional to 1,816,688,571.10, 2,507,031,326.44 and 981,313,510.74 is: 1,354,213,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,688,571.10 : 2,507,031,326.44 = 981,313,510.74 : x
  2. Step 2: Convert to fraction form
    1,816,688,571.10/2,507,031,326.44 = 981,313,510.74/x
  3. Step 3: Cross multiply
    1,816,688,571.10x = 2,507,031,326.44 × 981,313,510.74
  4. Step 4: Simplify right side
    1,816,688,571.10x = 2,460,183,712,483,995,648
  5. Step 5: Solve for x
    x = 2,460,183,712,483,995,648/1,816,688,571.10
  6. Step 6: Final answer
    x = 1,354,213,238.10

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Double scale
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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.