Home / 545,573,670.90-818,360,506.35-373,386,786.90

Finding the Fourth Proportional to 545,573,670.90, 818,360,506.35 and 373,386,786.90

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Solution

The fourth proportional to 545,573,670.90, 818,360,506.35 and 373,386,786.90 is: 560,080,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,573,670.90 : 818,360,506.35 = 373,386,786.90 : x
  2. Step 2: Convert to fraction form
    545,573,670.90/818,360,506.35 = 373,386,786.90/x
  3. Step 3: Cross multiply
    545,573,670.90x = 818,360,506.35 × 373,386,786.90
  4. Step 4: Simplify right side
    545,573,670.90x = 305,564,999,991,883,520
  5. Step 5: Solve for x
    x = 305,564,999,991,883,520/545,573,670.90
  6. Step 6: Final answer
    x = 560,080,180.35

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Double scale
Find fourth proportional to 545,573,671.90, 818,360,507.85 and 373,386,787.90
Similar ratio
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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.