Home / 21,688,038,053.70-32,532,057,080.55-20,769,708,005.70

Finding the Fourth Proportional to 21,688,038,053.70, 32,532,057,080.55 and 20,769,708,005.70

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Solution

The fourth proportional to 21,688,038,053.70, 32,532,057,080.55 and 20,769,708,005.70 is: 31,154,562,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688,038,053.70 : 32,532,057,080.55 = 20,769,708,005.70 : x
  2. Step 2: Convert to fraction form
    21,688,038,053.70/32,532,057,080.55 = 20,769,708,005.70/x
  3. Step 3: Cross multiply
    21,688,038,053.70x = 32,532,057,080.55 × 20,769,708,005.70
  4. Step 4: Simplify right side
    21,688,038,053.70x = 675,681,326,387,788,775,424
  5. Step 5: Solve for x
    x = 675,681,326,387,788,775,424/21,688,038,053.70
  6. Step 6: Final answer
    x = 31,154,562,008.55

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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.