Home / 1,069,723,814.80-1,604,585,722.20-974,489,587.60

Finding the Fourth Proportional to 1,069,723,814.80, 1,604,585,722.20 and 974,489,587.60

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Solution

The fourth proportional to 1,069,723,814.80, 1,604,585,722.20 and 974,489,587.60 is: 1,461,734,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,723,814.80 : 1,604,585,722.20 = 974,489,587.60 : x
  2. Step 2: Convert to fraction form
    1,069,723,814.80/1,604,585,722.20 = 974,489,587.60/x
  3. Step 3: Cross multiply
    1,069,723,814.80x = 1,604,585,722.20 × 974,489,587.60
  4. Step 4: Simplify right side
    1,069,723,814.80x = 1,563,652,078,695,526,144
  5. Step 5: Solve for x
    x = 1,563,652,078,695,526,144/1,069,723,814.80
  6. Step 6: Final answer
    x = 1,461,734,381.40

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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.