Home / 1,500,287,973.66-2,070,397,403.67-840,238,251.66

Finding the Fourth Proportional to 1,500,287,973.66, 2,070,397,403.67 and 840,238,251.66

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Solution

The fourth proportional to 1,500,287,973.66, 2,070,397,403.67 and 840,238,251.66 is: 1,159,528,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,287,973.66 : 2,070,397,403.67 = 840,238,251.66 : x
  2. Step 2: Convert to fraction form
    1,500,287,973.66/2,070,397,403.67 = 840,238,251.66/x
  3. Step 3: Cross multiply
    1,500,287,973.66x = 2,070,397,403.67 × 840,238,251.66
  4. Step 4: Simplify right side
    1,500,287,973.66x = 1,739,627,094,701,084,160
  5. Step 5: Solve for x
    x = 1,739,627,094,701,084,160/1,500,287,973.66
  6. Step 6: Final answer
    x = 1,159,528,787.30

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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.