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Finding the Fourth Proportional to 935,682,813.01, 1,404,330,435.20 and 648,670,030.93

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Solution

The fourth proportional to 935,682,813.01, 1,404,330,435.20 and 648,670,030.93 is: 973,563,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,682,813.01 : 1,404,330,435.20 = 648,670,030.93 : x
  2. Step 2: Convert to fraction form
    935,682,813.01/1,404,330,435.20 = 648,670,030.93/x
  3. Step 3: Cross multiply
    935,682,813.01x = 1,404,330,435.20 × 648,670,030.93
  4. Step 4: Simplify right side
    935,682,813.01x = 910,947,066,837,124,352
  5. Step 5: Solve for x
    x = 910,947,066,837,124,352/935,682,813.01
  6. Step 6: Final answer
    x = 973,563,962.24

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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.