Home / 1,283,308,912.40-1,924,963,368.60-313,960,528.40

Finding the Fourth Proportional to 1,283,308,912.40, 1,924,963,368.60 and 313,960,528.40

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Solution

The fourth proportional to 1,283,308,912.40, 1,924,963,368.60 and 313,960,528.40 is: 470,940,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,308,912.40 : 1,924,963,368.60 = 313,960,528.40 : x
  2. Step 2: Convert to fraction form
    1,283,308,912.40/1,924,963,368.60 = 313,960,528.40/x
  3. Step 3: Cross multiply
    1,283,308,912.40x = 1,924,963,368.60 × 313,960,528.40
  4. Step 4: Simplify right side
    1,283,308,912.40x = 604,362,516,356,299,904
  5. Step 5: Solve for x
    x = 604,362,516,356,299,904/1,283,308,912.40
  6. Step 6: Final answer
    x = 470,940,792.60

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Double scale
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Similar ratio
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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.