Home / 7,128,764,726.90-10,693,147,090.35-6,516,040,810.10

Finding the Fourth Proportional to 7,128,764,726.90, 10,693,147,090.35 and 6,516,040,810.10

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Solution

The fourth proportional to 7,128,764,726.90, 10,693,147,090.35 and 6,516,040,810.10 is: 9,774,061,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,764,726.90 : 10,693,147,090.35 = 6,516,040,810.10 : x
  2. Step 2: Convert to fraction form
    7,128,764,726.90/10,693,147,090.35 = 6,516,040,810.10/x
  3. Step 3: Cross multiply
    7,128,764,726.90x = 10,693,147,090.35 × 6,516,040,810.10
  4. Step 4: Simplify right side
    7,128,764,726.90x = 69,676,982,829,122,674,688
  5. Step 5: Solve for x
    x = 69,676,982,829,122,674,688/7,128,764,726.90
  6. Step 6: Final answer
    x = 9,774,061,215.15

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Double scale
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1.5x scale

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.