Home / 887,663,944.98-1,225,068,449.09-511,333,538.58

Finding the Fourth Proportional to 887,663,944.98, 1,225,068,449.09 and 511,333,538.58

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Solution

The fourth proportional to 887,663,944.98, 1,225,068,449.09 and 511,333,538.58 is: 705,693,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,663,944.98 : 1,225,068,449.09 = 511,333,538.58 : x
  2. Step 2: Convert to fraction form
    887,663,944.98/1,225,068,449.09 = 511,333,538.58/x
  3. Step 3: Cross multiply
    887,663,944.98x = 1,225,068,449.09 × 511,333,538.58
  4. Step 4: Simplify right side
    887,663,944.98x = 626,418,585,075,902,208
  5. Step 5: Solve for x
    x = 626,418,585,075,902,208/887,663,944.98
  6. Step 6: Final answer
    x = 705,693,397.39

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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.