Home / 386,574,169-533,472,440.58-212,733,913

Finding the Fourth Proportional to 386,574,169, 533,472,440.58 and 212,733,913

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Solution

The fourth proportional to 386,574,169, 533,472,440.58 and 212,733,913 is: 293,572,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,574,169 : 533,472,440.58 = 212,733,913 : x
  2. Step 2: Convert to fraction form
    386,574,169/533,472,440.58 = 212,733,913/x
  3. Step 3: Cross multiply
    386,574,169x = 533,472,440.58 × 212,733,913
  4. Step 4: Simplify right side
    386,574,169x = 113,487,679,762,243,392
  5. Step 5: Solve for x
    x = 113,487,679,762,243,392/386,574,169
  6. Step 6: Final answer
    x = 293,572,848.01

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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.