Home / 1,121,926,263.84-1,548,266,026.32-626,909,836.32

Finding the Fourth Proportional to 1,121,926,263.84, 1,548,266,026.32 and 626,909,836.32

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Solution

The fourth proportional to 1,121,926,263.84, 1,548,266,026.32 and 626,909,836.32 is: 865,139,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,926,263.84 : 1,548,266,026.32 = 626,909,836.32 : x
  2. Step 2: Convert to fraction form
    1,121,926,263.84/1,548,266,026.32 = 626,909,836.32/x
  3. Step 3: Cross multiply
    1,121,926,263.84x = 1,548,266,026.32 × 626,909,836.32
  4. Step 4: Simplify right side
    1,121,926,263.84x = 970,623,201,140,088,064
  5. Step 5: Solve for x
    x = 970,623,201,140,088,064/1,121,926,263.84
  6. Step 6: Final answer
    x = 865,139,922.67

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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.