Home / 1,066,775,712,639.70-1,600,477,905,676.60-429,740,298,236.34

Finding the Fourth Proportional to 1,066,775,712,639.70, 1,600,477,905,676.60 and 429,740,298,236.34

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Solution

The fourth proportional to 1,066,775,712,639.70, 1,600,477,905,676.60 and 429,740,298,236.34 is: 644,737,074,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,775,712,639.70 : 1,600,477,905,676.60 = 429,740,298,236.34 : x
  2. Step 2: Convert to fraction form
    1,066,775,712,639.70/1,600,477,905,676.60 = 429,740,298,236.34/x
  3. Step 3: Cross multiply
    1,066,775,712,639.70x = 1,600,477,905,676.60 × 429,740,298,236.34
  4. Step 4: Simplify right side
    1,066,775,712,639.70x = 687,789,852,506,134,998,417,408
  5. Step 5: Solve for x
    x = 687,789,852,506,134,998,417,408/1,066,775,712,639.70
  6. Step 6: Final answer
    x = 644,737,074,866.68

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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.