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Finding the Fourth Proportional to 973,562,032.15, 1,343,583,788.42 and 550,214,818.51

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Solution

The fourth proportional to 973,562,032.15, 1,343,583,788.42 and 550,214,818.51 is: 759,334,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,562,032.15 : 1,343,583,788.42 = 550,214,818.51 : x
  2. Step 2: Convert to fraction form
    973,562,032.15/1,343,583,788.42 = 550,214,818.51/x
  3. Step 3: Cross multiply
    973,562,032.15x = 1,343,583,788.42 × 550,214,818.51
  4. Step 4: Simplify right side
    973,562,032.15x = 739,259,710,298,488,576
  5. Step 5: Solve for x
    x = 739,259,710,298,488,576/973,562,032.15
  6. Step 6: Final answer
    x = 759,334,984.20

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1.5x scale

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.