Home / 21,831,855,430.59-30,127,960,541.75-11,807,350,276.50

Finding the Fourth Proportional to 21,831,855,430.59, 30,127,960,541.75 and 11,807,350,276.50

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Solution

The fourth proportional to 21,831,855,430.59, 30,127,960,541.75 and 11,807,350,276.50 is: 16,294,143,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,855,430.59 : 30,127,960,541.75 = 11,807,350,276.50 : x
  2. Step 2: Convert to fraction form
    21,831,855,430.59/30,127,960,541.75 = 11,807,350,276.50/x
  3. Step 3: Cross multiply
    21,831,855,430.59x = 30,127,960,541.75 × 11,807,350,276.50
  4. Step 4: Simplify right side
    21,831,855,430.59x = 355,731,383,232,953,909,248
  5. Step 5: Solve for x
    x = 355,731,383,232,953,909,248/21,831,855,430.59
  6. Step 6: Final answer
    x = 16,294,143,407.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.