Home / 977,257,361.80-1,465,886,042.70-589,518,008.20

Finding the Fourth Proportional to 977,257,361.80, 1,465,886,042.70 and 589,518,008.20

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Solution

The fourth proportional to 977,257,361.80, 1,465,886,042.70 and 589,518,008.20 is: 884,277,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,257,361.80 : 1,465,886,042.70 = 589,518,008.20 : x
  2. Step 2: Convert to fraction form
    977,257,361.80/1,465,886,042.70 = 589,518,008.20/x
  3. Step 3: Cross multiply
    977,257,361.80x = 1,465,886,042.70 × 589,518,008.20
  4. Step 4: Simplify right side
    977,257,361.80x = 864,166,220,140,684,288
  5. Step 5: Solve for x
    x = 864,166,220,140,684,288/977,257,361.80
  6. Step 6: Final answer
    x = 884,277,012.30

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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.