Home / 977,389,546.40-1,466,084,319.60-878,754,096.80

Finding the Fourth Proportional to 977,389,546.40, 1,466,084,319.60 and 878,754,096.80

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Solution

The fourth proportional to 977,389,546.40, 1,466,084,319.60 and 878,754,096.80 is: 1,318,131,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,389,546.40 : 1,466,084,319.60 = 878,754,096.80 : x
  2. Step 2: Convert to fraction form
    977,389,546.40/1,466,084,319.60 = 878,754,096.80/x
  3. Step 3: Cross multiply
    977,389,546.40x = 1,466,084,319.60 × 878,754,096.80
  4. Step 4: Simplify right side
    977,389,546.40x = 1,288,327,602,102,740,480
  5. Step 5: Solve for x
    x = 1,288,327,602,102,740,480/977,389,546.40
  6. Step 6: Final answer
    x = 1,318,131,145.20

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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.