Home / 12,903,798,697.10-17,804,878,302.07-7,187,940,880.00

Finding the Fourth Proportional to 12,903,798,697.10, 17,804,878,302.07 and 7,187,940,880.00

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Solution

The fourth proportional to 12,903,798,697.10, 17,804,878,302.07 and 7,187,940,880.00 is: 9,918,041,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,798,697.10 : 17,804,878,302.07 = 7,187,940,880.00 : x
  2. Step 2: Convert to fraction form
    12,903,798,697.10/17,804,878,302.07 = 7,187,940,880.00/x
  3. Step 3: Cross multiply
    12,903,798,697.10x = 17,804,878,302.07 × 7,187,940,880.00
  4. Step 4: Simplify right side
    12,903,798,697.10x = 127,980,412,610,748,973,056
  5. Step 5: Solve for x
    x = 127,980,412,610,748,973,056/12,903,798,697.10
  6. Step 6: Final answer
    x = 9,918,041,625.96

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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.