Home / 12,974,001,938.04-17,905,457,128.19-7,893,726,537.45

Finding the Fourth Proportional to 12,974,001,938.04, 17,905,457,128.19 and 7,893,726,537.45

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Solution

The fourth proportional to 12,974,001,938.04, 17,905,457,128.19 and 7,893,726,537.45 is: 10,894,154,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,001,938.04 : 17,905,457,128.19 = 7,893,726,537.45 : x
  2. Step 2: Convert to fraction form
    12,974,001,938.04/17,905,457,128.19 = 7,893,726,537.45/x
  3. Step 3: Cross multiply
    12,974,001,938.04x = 17,905,457,128.19 × 7,893,726,537.45
  4. Step 4: Simplify right side
    12,974,001,938.04x = 141,340,782,097,966,661,632
  5. Step 5: Solve for x
    x = 141,340,782,097,966,661,632/12,974,001,938.04
  6. Step 6: Final answer
    x = 10,894,154,538.67

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Double scale
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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.