Home / 387,078,434.90-580,617,652.35-328,627,798.10

Finding the Fourth Proportional to 387,078,434.90, 580,617,652.35 and 328,627,798.10

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Solution

The fourth proportional to 387,078,434.90, 580,617,652.35 and 328,627,798.10 is: 492,941,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,078,434.90 : 580,617,652.35 = 328,627,798.10 : x
  2. Step 2: Convert to fraction form
    387,078,434.90/580,617,652.35 = 328,627,798.10/x
  3. Step 3: Cross multiply
    387,078,434.90x = 580,617,652.35 × 328,627,798.10
  4. Step 4: Simplify right side
    387,078,434.90x = 190,807,100,629,771,808
  5. Step 5: Solve for x
    x = 190,807,100,629,771,808/387,078,434.90
  6. Step 6: Final answer
    x = 492,941,697.15

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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.