Home / 28,403,061,379.20-42,604,592,068.80-11,852,713,180.80

Finding the Fourth Proportional to 28,403,061,379.20, 42,604,592,068.80 and 11,852,713,180.80

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Solution

The fourth proportional to 28,403,061,379.20, 42,604,592,068.80 and 11,852,713,180.80 is: 17,779,069,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,061,379.20 : 42,604,592,068.80 = 11,852,713,180.80 : x
  2. Step 2: Convert to fraction form
    28,403,061,379.20/42,604,592,068.80 = 11,852,713,180.80/x
  3. Step 3: Cross multiply
    28,403,061,379.20x = 42,604,592,068.80 × 11,852,713,180.80
  4. Step 4: Simplify right side
    28,403,061,379.20x = 504,980,009,976,472,928,256
  5. Step 5: Solve for x
    x = 504,980,009,976,472,928,256/28,403,061,379.20
  6. Step 6: Final answer
    x = 17,779,069,771.20

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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.