Home / 993,460,821.80-1,490,191,232.70-977,336,508.20

Finding the Fourth Proportional to 993,460,821.80, 1,490,191,232.70 and 977,336,508.20

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Solution

The fourth proportional to 993,460,821.80, 1,490,191,232.70 and 977,336,508.20 is: 1,466,004,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,460,821.80 : 1,490,191,232.70 = 977,336,508.20 : x
  2. Step 2: Convert to fraction form
    993,460,821.80/1,490,191,232.70 = 977,336,508.20/x
  3. Step 3: Cross multiply
    993,460,821.80x = 1,490,191,232.70 × 977,336,508.20
  4. Step 4: Simplify right side
    993,460,821.80x = 1,456,418,295,917,271,808
  5. Step 5: Solve for x
    x = 1,456,418,295,917,271,808/993,460,821.80
  6. Step 6: Final answer
    x = 1,466,004,762.30

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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.