Home / 876,706,580.94-1,209,812,088.39-480,231,329.10

Finding the Fourth Proportional to 876,706,580.94, 1,209,812,088.39 and 480,231,329.10

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Solution

The fourth proportional to 876,706,580.94, 1,209,812,088.39 and 480,231,329.10 is: 662,695,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,706,580.94 : 1,209,812,088.39 = 480,231,329.10 : x
  2. Step 2: Convert to fraction form
    876,706,580.94/1,209,812,088.39 = 480,231,329.10/x
  3. Step 3: Cross multiply
    876,706,580.94x = 1,209,812,088.39 × 480,231,329.10
  4. Step 4: Simplify right side
    876,706,580.94x = 580,989,667,168,776,448
  5. Step 5: Solve for x
    x = 580,989,667,168,776,448/876,706,580.94
  6. Step 6: Final answer
    x = 662,695,683.82

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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.