Home / 1,256,582,639,004.60-1,885,139,001,911.70-407,573,232,264.12

Finding the Fourth Proportional to 1,256,582,639,004.60, 1,885,139,001,911.70 and 407,573,232,264.12

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Solution

The fourth proportional to 1,256,582,639,004.60, 1,885,139,001,911.70 and 407,573,232,264.12 is: 611,445,815,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,582,639,004.60 : 1,885,139,001,911.70 = 407,573,232,264.12 : x
  2. Step 2: Convert to fraction form
    1,256,582,639,004.60/1,885,139,001,911.70 = 407,573,232,264.12/x
  3. Step 3: Cross multiply
    1,256,582,639,004.60x = 1,885,139,001,911.70 × 407,573,232,264.12
  4. Step 4: Simplify right side
    1,256,582,639,004.60x = 768,332,196,276,308,572,897,280
  5. Step 5: Solve for x
    x = 768,332,196,276,308,572,897,280/1,256,582,639,004.60
  6. Step 6: Final answer
    x = 611,445,815,362.32

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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.