Home / 1,657,645,373.21-2,287,557,921.42-915,095,537.69

Finding the Fourth Proportional to 1,657,645,373.21, 2,287,557,921.42 and 915,095,537.69

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Solution

The fourth proportional to 1,657,645,373.21, 2,287,557,921.42 and 915,095,537.69 is: 1,262,835,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,645,373.21 : 2,287,557,921.42 = 915,095,537.69 : x
  2. Step 2: Convert to fraction form
    1,657,645,373.21/2,287,557,921.42 = 915,095,537.69/x
  3. Step 3: Cross multiply
    1,657,645,373.21x = 2,287,557,921.42 × 915,095,537.69
  4. Step 4: Simplify right side
    1,657,645,373.21x = 2,093,334,046,087,415,808
  5. Step 5: Solve for x
    x = 2,093,334,046,087,415,808/1,657,645,373.21
  6. Step 6: Final answer
    x = 1,262,835,875.47

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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.