Home / 1,168,749,438.75-1,612,924,925.04-647,228,670.75

Finding the Fourth Proportional to 1,168,749,438.75, 1,612,924,925.04 and 647,228,670.75

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Solution

The fourth proportional to 1,168,749,438.75, 1,612,924,925.04 and 647,228,670.75 is: 893,203,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,749,438.75 : 1,612,924,925.04 = 647,228,670.75 : x
  2. Step 2: Convert to fraction form
    1,168,749,438.75/1,612,924,925.04 = 647,228,670.75/x
  3. Step 3: Cross multiply
    1,168,749,438.75x = 1,612,924,925.04 × 647,228,670.75
  4. Step 4: Simplify right side
    1,168,749,438.75x = 1,043,931,255,253,182,592
  5. Step 5: Solve for x
    x = 1,043,931,255,253,182,592/1,168,749,438.75
  6. Step 6: Final answer
    x = 893,203,641.98

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Half scale
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Double scale
Find fourth proportional to 1,168,749,439.75, 1,612,924,926.42 and 647,228,671.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.