Home / 1,865,979,715.34-2,798,980,035.75-622,406,766.20

Finding the Fourth Proportional to 1,865,979,715.34, 2,798,980,035.75 and 622,406,766.20

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Solution

The fourth proportional to 1,865,979,715.34, 2,798,980,035.75 and 622,406,766.20 is: 933,613,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,979,715.34 : 2,798,980,035.75 = 622,406,766.20 : x
  2. Step 2: Convert to fraction form
    1,865,979,715.34/2,798,980,035.75 = 622,406,766.20/x
  3. Step 3: Cross multiply
    1,865,979,715.34x = 2,798,980,035.75 × 622,406,766.20
  4. Step 4: Simplify right side
    1,865,979,715.34x = 1,742,104,112,703,360,256
  5. Step 5: Solve for x
    x = 1,742,104,112,703,360,256/1,865,979,715.34
  6. Step 6: Final answer
    x = 933,613,639.20

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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.