Home / 1,051,966,077.60-1,577,949,116.40-438,990,218.40

Finding the Fourth Proportional to 1,051,966,077.60, 1,577,949,116.40 and 438,990,218.40

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Solution

The fourth proportional to 1,051,966,077.60, 1,577,949,116.40 and 438,990,218.40 is: 658,485,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,966,077.60 : 1,577,949,116.40 = 438,990,218.40 : x
  2. Step 2: Convert to fraction form
    1,051,966,077.60/1,577,949,116.40 = 438,990,218.40/x
  3. Step 3: Cross multiply
    1,051,966,077.60x = 1,577,949,116.40 × 438,990,218.40
  4. Step 4: Simplify right side
    1,051,966,077.60x = 692,704,227,232,523,008
  5. Step 5: Solve for x
    x = 692,704,227,232,523,008/1,051,966,077.60
  6. Step 6: Final answer
    x = 658,485,327.60

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Double scale
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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.