Home / 1,066,985,108.64-1,600,630,150.32-330,117,941.52

Finding the Fourth Proportional to 1,066,985,108.64, 1,600,630,150.32 and 330,117,941.52

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Solution

The fourth proportional to 1,066,985,108.64, 1,600,630,150.32 and 330,117,941.52 is: 495,224,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,985,108.64 : 1,600,630,150.32 = 330,117,941.52 : x
  2. Step 2: Convert to fraction form
    1,066,985,108.64/1,600,630,150.32 = 330,117,941.52/x
  3. Step 3: Cross multiply
    1,066,985,108.64x = 1,600,630,150.32 × 330,117,941.52
  4. Step 4: Simplify right side
    1,066,985,108.64x = 528,396,730,358,486,528
  5. Step 5: Solve for x
    x = 528,396,730,358,486,528/1,066,985,108.64
  6. Step 6: Final answer
    x = 495,224,090.83

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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.