Home / 19,221,878,478.16-28,803,862,703.33-17,127,106,488.82

Finding the Fourth Proportional to 19,221,878,478.16, 28,803,862,703.33 and 17,127,106,488.82

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Solution

The fourth proportional to 19,221,878,478.16, 28,803,862,703.33 and 17,127,106,488.82 is: 25,664,860,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221,878,478.16 : 28,803,862,703.33 = 17,127,106,488.82 : x
  2. Step 2: Convert to fraction form
    19,221,878,478.16/28,803,862,703.33 = 17,127,106,488.82/x
  3. Step 3: Cross multiply
    19,221,878,478.16x = 28,803,862,703.33 × 17,127,106,488.82
  4. Step 4: Simplify right side
    19,221,878,478.16x = 493,326,823,809,283,653,632
  5. Step 5: Solve for x
    x = 493,326,823,809,283,653,632/19,221,878,478.16
  6. Step 6: Final answer
    x = 25,664,860,194.07

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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.