Home / 18,685,693,130.18-28,028,612,412.20-4,520,636,152.13

Finding the Fourth Proportional to 18,685,693,130.18, 28,028,612,412.20 and 4,520,636,152.13

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Solution

The fourth proportional to 18,685,693,130.18, 28,028,612,412.20 and 4,520,636,152.13 is: 6,780,971,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,693,130.18 : 28,028,612,412.20 = 4,520,636,152.13 : x
  2. Step 2: Convert to fraction form
    18,685,693,130.18/28,028,612,412.20 = 4,520,636,152.13/x
  3. Step 3: Cross multiply
    18,685,693,130.18x = 28,028,612,412.20 × 4,520,636,152.13
  4. Step 4: Simplify right side
    18,685,693,130.18x = 126,707,158,564,710,072,320
  5. Step 5: Solve for x
    x = 126,707,158,564,710,072,320/18,685,693,130.18
  6. Step 6: Final answer
    x = 6,780,971,820.63

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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.