Home / 957,818,809.56-1,321,539,814.20-561,128,549.80

Finding the Fourth Proportional to 957,818,809.56, 1,321,539,814.20 and 561,128,549.80

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Solution

The fourth proportional to 957,818,809.56, 1,321,539,814.20 and 561,128,549.80 is: 774,210,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,818,809.56 : 1,321,539,814.20 = 561,128,549.80 : x
  2. Step 2: Convert to fraction form
    957,818,809.56/1,321,539,814.20 = 561,128,549.80/x
  3. Step 3: Cross multiply
    957,818,809.56x = 1,321,539,814.20 × 561,128,549.80
  4. Step 4: Simplify right side
    957,818,809.56x = 741,553,719,445,007,360
  5. Step 5: Solve for x
    x = 741,553,719,445,007,360/957,818,809.56
  6. Step 6: Final answer
    x = 774,210,854.96

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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.