Home / 12,690,387,798,020-19,039,316,429,210-4,094,673,911,756.80

Finding the Fourth Proportional to 12,690,387,798,020, 19,039,316,429,210 and 4,094,673,911,756.80

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Solution

The fourth proportional to 12,690,387,798,020, 19,039,316,429,210 and 4,094,673,911,756.80 is: 6,143,215,914,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,387,798,020 : 19,039,316,429,210 = 4,094,673,911,756.80 : x
  2. Step 2: Convert to fraction form
    12,690,387,798,020/19,039,316,429,210 = 4,094,673,911,756.80/x
  3. Step 3: Cross multiply
    12,690,387,798,020x = 19,039,316,429,210 × 4,094,673,911,756.80
  4. Step 4: Simplify right side
    12,690,387,798,020x = 77,959,792,280,368,815,336,849,408
  5. Step 5: Solve for x
    x = 77,959,792,280,368,815,336,849,408/12,690,387,798,020
  6. Step 6: Final answer
    x = 6,143,215,914,373.59

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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.