Home / 8,910,872,415.68-12,284,716,435.73-7,108,501,692.17

Finding the Fourth Proportional to 8,910,872,415.68, 12,284,716,435.73 and 7,108,501,692.17

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Solution

The fourth proportional to 8,910,872,415.68, 12,284,716,435.73 and 7,108,501,692.17 is: 9,799,930,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,872,415.68 : 12,284,716,435.73 = 7,108,501,692.17 : x
  2. Step 2: Convert to fraction form
    8,910,872,415.68/12,284,716,435.73 = 7,108,501,692.17/x
  3. Step 3: Cross multiply
    8,910,872,415.68x = 12,284,716,435.73 × 7,108,501,692.17
  4. Step 4: Simplify right side
    8,910,872,415.68x = 87,325,927,571,118,358,528
  5. Step 5: Solve for x
    x = 87,325,927,571,118,358,528/8,910,872,415.68
  6. Step 6: Final answer
    x = 9,799,930,186.13

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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.