Home / 1,303,460,938.40-1,957,458,889.20-691,240,906.40

Finding the Fourth Proportional to 1,303,460,938.40, 1,957,458,889.20 and 691,240,906.40

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Solution

The fourth proportional to 1,303,460,938.40, 1,957,458,889.20 and 691,240,906.40 is: 1,038,063,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,460,938.40 : 1,957,458,889.20 = 691,240,906.40 : x
  2. Step 2: Convert to fraction form
    1,303,460,938.40/1,957,458,889.20 = 691,240,906.40/x
  3. Step 3: Cross multiply
    1,303,460,938.40x = 1,957,458,889.20 × 691,240,906.40
  4. Step 4: Simplify right side
    1,303,460,938.40x = 1,353,075,656,811,345,152
  5. Step 5: Solve for x
    x = 1,353,075,656,811,345,152/1,303,460,938.40
  6. Step 6: Final answer
    x = 1,038,063,832.18

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1.5x scale

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.