Home / 1,290,283,477.60-1,935,425,216.40-1,157,257,890.40

Finding the Fourth Proportional to 1,290,283,477.60, 1,935,425,216.40 and 1,157,257,890.40

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Solution

The fourth proportional to 1,290,283,477.60, 1,935,425,216.40 and 1,157,257,890.40 is: 1,735,886,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,283,477.60 : 1,935,425,216.40 = 1,157,257,890.40 : x
  2. Step 2: Convert to fraction form
    1,290,283,477.60/1,935,425,216.40 = 1,157,257,890.40/x
  3. Step 3: Cross multiply
    1,290,283,477.60x = 1,935,425,216.40 × 1,157,257,890.40
  4. Step 4: Simplify right side
    1,290,283,477.60x = 2,239,786,102,958,027,776
  5. Step 5: Solve for x
    x = 2,239,786,102,958,027,776/1,290,283,477.60
  6. Step 6: Final answer
    x = 1,735,886,835.60

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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.