Home / 808,316,709.36-1,115,266,263.78-473,609,396.64

Finding the Fourth Proportional to 808,316,709.36, 1,115,266,263.78 and 473,609,396.64

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Solution

The fourth proportional to 808,316,709.36, 1,115,266,263.78 and 473,609,396.64 is: 653,457,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,316,709.36 : 1,115,266,263.78 = 473,609,396.64 : x
  2. Step 2: Convert to fraction form
    808,316,709.36/1,115,266,263.78 = 473,609,396.64/x
  3. Step 3: Cross multiply
    808,316,709.36x = 1,115,266,263.78 × 473,609,396.64
  4. Step 4: Simplify right side
    808,316,709.36x = 528,200,582,281,792,832
  5. Step 5: Solve for x
    x = 528,200,582,281,792,832/808,316,709.36
  6. Step 6: Final answer
    x = 653,457,458.15

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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.