Home / 8,280,196,643,320.80-12,420,547,995,083-2,840,747,191,840.20

Finding the Fourth Proportional to 8,280,196,643,320.80, 12,420,547,995,083 and 2,840,747,191,840.20

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Solution

The fourth proportional to 8,280,196,643,320.80, 12,420,547,995,083 and 2,840,747,191,840.20 is: 4,261,207,596,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,196,643,320.80 : 12,420,547,995,083 = 2,840,747,191,840.20 : x
  2. Step 2: Convert to fraction form
    8,280,196,643,320.80/12,420,547,995,083 = 2,840,747,191,840.20/x
  3. Step 3: Cross multiply
    8,280,196,643,320.80x = 12,420,547,995,083 × 2,840,747,191,840.20
  4. Step 4: Simplify right side
    8,280,196,643,320.80x = 35,283,636,838,148,462,589,509,632
  5. Step 5: Solve for x
    x = 35,283,636,838,148,462,589,509,632/8,280,196,643,320.80
  6. Step 6: Final answer
    x = 4,261,207,596,634.79

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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.