Home / 531,078,905,658.64-732,891,097,919.22-287,208,374,518.22

Finding the Fourth Proportional to 531,078,905,658.64, 732,891,097,919.22 and 287,208,374,518.22

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Solution

The fourth proportional to 531,078,905,658.64, 732,891,097,919.22 and 287,208,374,518.22 is: 396,348,750,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,078,905,658.64 : 732,891,097,919.22 = 287,208,374,518.22 : x
  2. Step 2: Convert to fraction form
    531,078,905,658.64/732,891,097,919.22 = 287,208,374,518.22/x
  3. Step 3: Cross multiply
    531,078,905,658.64x = 732,891,097,919.22 × 287,208,374,518.22
  4. Step 4: Simplify right side
    531,078,905,658.64x = 210,492,460,932,252,747,956,224
  5. Step 5: Solve for x
    x = 210,492,460,932,252,747,956,224/531,078,905,658.64
  6. Step 6: Final answer
    x = 396,348,750,984.94

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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.