Home / 977,257,974.80-1,465,886,962.20-589,518,621.20

Finding the Fourth Proportional to 977,257,974.80, 1,465,886,962.20 and 589,518,621.20

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Solution

The fourth proportional to 977,257,974.80, 1,465,886,962.20 and 589,518,621.20 is: 884,277,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,257,974.80 : 1,465,886,962.20 = 589,518,621.20 : x
  2. Step 2: Convert to fraction form
    977,257,974.80/1,465,886,962.20 = 589,518,621.20/x
  3. Step 3: Cross multiply
    977,257,974.80x = 1,465,886,962.20 × 589,518,621.20
  4. Step 4: Simplify right side
    977,257,974.80x = 864,167,660,791,200,640
  5. Step 5: Solve for x
    x = 864,167,660,791,200,640/977,257,974.80
  6. Step 6: Final answer
    x = 884,277,931.80

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Double scale
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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.