Home / 832,965,688.71-1,249,196,979.47-250,545,323.43

Finding the Fourth Proportional to 832,965,688.71, 1,249,196,979.47 and 250,545,323.43

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Solution

The fourth proportional to 832,965,688.71, 1,249,196,979.47 and 250,545,323.43 is: 375,742,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,965,688.71 : 1,249,196,979.47 = 250,545,323.43 : x
  2. Step 2: Convert to fraction form
    832,965,688.71/1,249,196,979.47 = 250,545,323.43/x
  3. Step 3: Cross multiply
    832,965,688.71x = 1,249,196,979.47 × 250,545,323.43
  4. Step 4: Simplify right side
    832,965,688.71x = 312,980,461,247,837,504
  5. Step 5: Solve for x
    x = 312,980,461,247,837,504/832,965,688.71
  6. Step 6: Final answer
    x = 375,742,321.07

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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.