Home / 19,315,584,203.80-28,973,376,305.70-18,553,710,386.20

Finding the Fourth Proportional to 19,315,584,203.80, 28,973,376,305.70 and 18,553,710,386.20

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Solution

The fourth proportional to 19,315,584,203.80, 28,973,376,305.70 and 18,553,710,386.20 is: 27,830,565,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,203.80 : 28,973,376,305.70 = 18,553,710,386.20 : x
  2. Step 2: Convert to fraction form
    19,315,584,203.80/28,973,376,305.70 = 18,553,710,386.20/x
  3. Step 3: Cross multiply
    19,315,584,203.80x = 28,973,376,305.70 × 18,553,710,386.20
  4. Step 4: Simplify right side
    19,315,584,203.80x = 537,563,632,886,347,137,024
  5. Step 5: Solve for x
    x = 537,563,632,886,347,137,024/19,315,584,203.80
  6. Step 6: Final answer
    x = 27,830,565,579.30

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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.