Home / 10,780,128,008.80-16,168,997,619.60-8,838,044,015.20

Finding the Fourth Proportional to 10,780,128,008.80, 16,168,997,619.60 and 8,838,044,015.20

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Solution

The fourth proportional to 10,780,128,008.80, 16,168,997,619.60 and 8,838,044,015.20 is: 13,256,086,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,128,008.80 : 16,168,997,619.60 = 8,838,044,015.20 : x
  2. Step 2: Convert to fraction form
    10,780,128,008.80/16,168,997,619.60 = 8,838,044,015.20/x
  3. Step 3: Cross multiply
    10,780,128,008.80x = 16,168,997,619.60 × 8,838,044,015.20
  4. Step 4: Simplify right side
    10,780,128,008.80x = 142,902,312,643,688,841,216
  5. Step 5: Solve for x
    x = 142,902,312,643,688,841,216/10,780,128,008.80
  6. Step 6: Final answer
    x = 13,256,086,804.07

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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.