Home / 12,931,214,892.38-17,842,411,312.87-7,430,666,719.50

Finding the Fourth Proportional to 12,931,214,892.38, 17,842,411,312.87 and 7,430,666,719.50

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Solution

The fourth proportional to 12,931,214,892.38, 17,842,411,312.87 and 7,430,666,719.50 is: 10,252,788,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,214,892.38 : 17,842,411,312.87 = 7,430,666,719.50 : x
  2. Step 2: Convert to fraction form
    12,931,214,892.38/17,842,411,312.87 = 7,430,666,719.50/x
  3. Step 3: Cross multiply
    12,931,214,892.38x = 17,842,411,312.87 × 7,430,666,719.50
  4. Step 4: Simplify right side
    12,931,214,892.38x = 132,581,011,938,214,789,120
  5. Step 5: Solve for x
    x = 132,581,011,938,214,789,120/12,931,214,892.38
  6. Step 6: Final answer
    x = 10,252,788,546.29

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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.