Home / 1,038,097,201.60-1,557,145,802.40-917,164,849.60

Finding the Fourth Proportional to 1,038,097,201.60, 1,557,145,802.40 and 917,164,849.60

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Solution

The fourth proportional to 1,038,097,201.60, 1,557,145,802.40 and 917,164,849.60 is: 1,375,747,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,097,201.60 : 1,557,145,802.40 = 917,164,849.60 : x
  2. Step 2: Convert to fraction form
    1,038,097,201.60/1,557,145,802.40 = 917,164,849.60/x
  3. Step 3: Cross multiply
    1,038,097,201.60x = 1,557,145,802.40 × 917,164,849.60
  4. Step 4: Simplify right side
    1,038,097,201.60x = 1,428,159,395,663,467,520
  5. Step 5: Solve for x
    x = 1,428,159,395,663,467,520/1,038,097,201.60
  6. Step 6: Final answer
    x = 1,375,747,274.40

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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.