Home / 1,563,708,275.64-2,157,959,560.82-920,009,142.14

Finding the Fourth Proportional to 1,563,708,275.64, 2,157,959,560.82 and 920,009,142.14

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Solution

The fourth proportional to 1,563,708,275.64, 2,157,959,560.82 and 920,009,142.14 is: 1,269,637,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,708,275.64 : 2,157,959,560.82 = 920,009,142.14 : x
  2. Step 2: Convert to fraction form
    1,563,708,275.64/2,157,959,560.82 = 920,009,142.14/x
  3. Step 3: Cross multiply
    1,563,708,275.64x = 2,157,959,560.82 × 920,009,142.14
  4. Step 4: Simplify right side
    1,563,708,275.64x = 1,985,342,524,322,819,584
  5. Step 5: Solve for x
    x = 1,985,342,524,322,819,584/1,563,708,275.64
  6. Step 6: Final answer
    x = 1,269,637,409.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.