Home / 51,220,294,214.40-76,830,441,321.60-42,513,164,870.40

Finding the Fourth Proportional to 51,220,294,214.40, 76,830,441,321.60 and 42,513,164,870.40

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Solution

The fourth proportional to 51,220,294,214.40, 76,830,441,321.60 and 42,513,164,870.40 is: 63,769,747,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220,294,214.40 : 76,830,441,321.60 = 42,513,164,870.40 : x
  2. Step 2: Convert to fraction form
    51,220,294,214.40/76,830,441,321.60 = 42,513,164,870.40/x
  3. Step 3: Cross multiply
    51,220,294,214.40x = 76,830,441,321.60 × 42,513,164,870.40
  4. Step 4: Simplify right side
    51,220,294,214.40x = 3,266,305,218,970,773,880,832
  5. Step 5: Solve for x
    x = 3,266,305,218,970,773,880,832/51,220,294,214.40
  6. Step 6: Final answer
    x = 63,769,747,305.60

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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.