Home / 720,182,696.02-1,080,148,860.15-202,490,271.58

Finding the Fourth Proportional to 720,182,696.02, 1,080,148,860.15 and 202,490,271.58

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Solution

The fourth proportional to 720,182,696.02, 1,080,148,860.15 and 202,490,271.58 is: 303,700,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,182,696.02 : 1,080,148,860.15 = 202,490,271.58 : x
  2. Step 2: Convert to fraction form
    720,182,696.02/1,080,148,860.15 = 202,490,271.58/x
  3. Step 3: Cross multiply
    720,182,696.02x = 1,080,148,860.15 × 202,490,271.58
  4. Step 4: Simplify right side
    720,182,696.02x = 218,719,636,038,600,960
  5. Step 5: Solve for x
    x = 218,719,636,038,600,960/720,182,696.02
  6. Step 6: Final answer
    x = 303,700,210.03

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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.