Home / 2,071,759,488,018.70-2,859,908,413,124.20-1,290,878,426,329.10

Finding the Fourth Proportional to 2,071,759,488,018.70, 2,859,908,413,124.20 and 1,290,878,426,329.10

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Solution

The fourth proportional to 2,071,759,488,018.70, 2,859,908,413,124.20 and 1,290,878,426,329.10 is: 1,781,960,740,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,759,488,018.70 : 2,859,908,413,124.20 = 1,290,878,426,329.10 : x
  2. Step 2: Convert to fraction form
    2,071,759,488,018.70/2,859,908,413,124.20 = 1,290,878,426,329.10/x
  3. Step 3: Cross multiply
    2,071,759,488,018.70x = 2,859,908,413,124.20 × 1,290,878,426,329.10
  4. Step 4: Simplify right side
    2,071,759,488,018.70x = 3,691,794,071,779,121,360,273,408
  5. Step 5: Solve for x
    x = 3,691,794,071,779,121,360,273,408/2,071,759,488,018.70
  6. Step 6: Final answer
    x = 1,781,960,740,679.28

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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.