Home / 1,019,249,999.80-1,528,874,999.70-559,010,332.60

Finding the Fourth Proportional to 1,019,249,999.80, 1,528,874,999.70 and 559,010,332.60

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Solution

The fourth proportional to 1,019,249,999.80, 1,528,874,999.70 and 559,010,332.60 is: 838,515,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,249,999.80 : 1,528,874,999.70 = 559,010,332.60 : x
  2. Step 2: Convert to fraction form
    1,019,249,999.80/1,528,874,999.70 = 559,010,332.60/x
  3. Step 3: Cross multiply
    1,019,249,999.80x = 1,528,874,999.70 × 559,010,332.60
  4. Step 4: Simplify right side
    1,019,249,999.80x = 854,656,922,086,121,984
  5. Step 5: Solve for x
    x = 854,656,922,086,121,984/1,019,249,999.80
  6. Step 6: Final answer
    x = 838,515,498.90

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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.