Home / 51,220,294,218.40-76,830,441,327.60-42,513,164,874.40

Finding the Fourth Proportional to 51,220,294,218.40, 76,830,441,327.60 and 42,513,164,874.40

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Solution

The fourth proportional to 51,220,294,218.40, 76,830,441,327.60 and 42,513,164,874.40 is: 63,769,747,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220,294,218.40 : 76,830,441,327.60 = 42,513,164,874.40 : x
  2. Step 2: Convert to fraction form
    51,220,294,218.40/76,830,441,327.60 = 42,513,164,874.40/x
  3. Step 3: Cross multiply
    51,220,294,218.40x = 76,830,441,327.60 × 42,513,164,874.40
  4. Step 4: Simplify right side
    51,220,294,218.40x = 3,266,305,219,533,174,996,992
  5. Step 5: Solve for x
    x = 3,266,305,219,533,174,996,992/51,220,294,218.40
  6. Step 6: Final answer
    x = 63,769,747,311.60

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Double scale
Find fourth proportional to 51,220,294,219.40, 76,830,441,329.10 and 42,513,164,875.40
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.