Home / 51,127,734,044.40-70,550,161,488.10-28,261,782,729.92

Finding the Fourth Proportional to 51,127,734,044.40, 70,550,161,488.10 and 28,261,782,729.92

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Solution

The fourth proportional to 51,127,734,044.40, 70,550,161,488.10 and 28,261,782,729.92 is: 38,997,881,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127,734,044.40 : 70,550,161,488.10 = 28,261,782,729.92 : x
  2. Step 2: Convert to fraction form
    51,127,734,044.40/70,550,161,488.10 = 28,261,782,729.92/x
  3. Step 3: Cross multiply
    51,127,734,044.40x = 70,550,161,488.10 × 28,261,782,729.92
  4. Step 4: Simplify right side
    51,127,734,044.40x = 1,993,873,335,537,451,663,360
  5. Step 5: Solve for x
    x = 1,993,873,335,537,451,663,360/51,127,734,044.40
  6. Step 6: Final answer
    x = 38,997,881,928.54

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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.