Home / 1,628,924,133.90-2,443,386,200.85-402,092,585.40

Finding the Fourth Proportional to 1,628,924,133.90, 2,443,386,200.85 and 402,092,585.40

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Solution

The fourth proportional to 1,628,924,133.90, 2,443,386,200.85 and 402,092,585.40 is: 603,138,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,924,133.90 : 2,443,386,200.85 = 402,092,585.40 : x
  2. Step 2: Convert to fraction form
    1,628,924,133.90/2,443,386,200.85 = 402,092,585.40/x
  3. Step 3: Cross multiply
    1,628,924,133.90x = 2,443,386,200.85 × 402,092,585.40
  4. Step 4: Simplify right side
    1,628,924,133.90x = 982,467,474,630,460,032
  5. Step 5: Solve for x
    x = 982,467,474,630,460,032/1,628,924,133.90
  6. Step 6: Final answer
    x = 603,138,878.10

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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.