Home / 1,189,878,632.29-1,783,620,650.98-490,880,583.55

Finding the Fourth Proportional to 1,189,878,632.29, 1,783,620,650.98 and 490,880,583.55

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Solution

The fourth proportional to 1,189,878,632.29, 1,783,620,650.98 and 490,880,583.55 is: 735,826,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,878,632.29 : 1,783,620,650.98 = 490,880,583.55 : x
  2. Step 2: Convert to fraction form
    1,189,878,632.29/1,783,620,650.98 = 490,880,583.55/x
  3. Step 3: Cross multiply
    1,189,878,632.29x = 1,783,620,650.98 × 490,880,583.55
  4. Step 4: Simplify right side
    1,189,878,632.29x = 875,544,745,984,893,312
  5. Step 5: Solve for x
    x = 875,544,745,984,893,312/1,189,878,632.29
  6. Step 6: Final answer
    x = 735,826,934.13

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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.