Home / 19,315,584,010.80-28,973,376,016.20-18,553,710,193.20

Finding the Fourth Proportional to 19,315,584,010.80, 28,973,376,016.20 and 18,553,710,193.20

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Solution

The fourth proportional to 19,315,584,010.80, 28,973,376,016.20 and 18,553,710,193.20 is: 27,830,565,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,010.80 : 28,973,376,016.20 = 18,553,710,193.20 : x
  2. Step 2: Convert to fraction form
    19,315,584,010.80/28,973,376,016.20 = 18,553,710,193.20/x
  3. Step 3: Cross multiply
    19,315,584,010.80x = 28,973,376,016.20 × 18,553,710,193.20
  4. Step 4: Simplify right side
    19,315,584,010.80x = 537,563,621,923,186,409,472
  5. Step 5: Solve for x
    x = 537,563,621,923,186,409,472/19,315,584,010.80
  6. Step 6: Final answer
    x = 27,830,565,289.80

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Double scale
Find fourth proportional to 19,315,584,011.80, 28,973,376,017.70 and 18,553,710,194.20
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1.5x scale

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.