Home / 708,590,080.80-1,062,885,121.20-553,621,885.20

Finding the Fourth Proportional to 708,590,080.80, 1,062,885,121.20 and 553,621,885.20

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Solution

The fourth proportional to 708,590,080.80, 1,062,885,121.20 and 553,621,885.20 is: 830,432,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,080.80 : 1,062,885,121.20 = 553,621,885.20 : x
  2. Step 2: Convert to fraction form
    708,590,080.80/1,062,885,121.20 = 553,621,885.20/x
  3. Step 3: Cross multiply
    708,590,080.80x = 1,062,885,121.20 × 553,621,885.20
  4. Step 4: Simplify right side
    708,590,080.80x = 588,436,464,549,774,592
  5. Step 5: Solve for x
    x = 588,436,464,549,774,592/708,590,080.80
  6. Step 6: Final answer
    x = 830,432,827.80

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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.