Home / 709,520,281.60-1,064,280,422.40-590,080,921.60

Finding the Fourth Proportional to 709,520,281.60, 1,064,280,422.40 and 590,080,921.60

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Solution

The fourth proportional to 709,520,281.60, 1,064,280,422.40 and 590,080,921.60 is: 885,121,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,520,281.60 : 1,064,280,422.40 = 590,080,921.60 : x
  2. Step 2: Convert to fraction form
    709,520,281.60/1,064,280,422.40 = 590,080,921.60/x
  3. Step 3: Cross multiply
    709,520,281.60x = 1,064,280,422.40 × 590,080,921.60
  4. Step 4: Simplify right side
    709,520,281.60x = 628,011,572,490,629,248
  5. Step 5: Solve for x
    x = 628,011,572,490,629,248/709,520,281.60
  6. Step 6: Final answer
    x = 885,121,382.40

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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.