Home / 302,860,386.40-454,290,579.60-216,864,047.20

Finding the Fourth Proportional to 302,860,386.40, 454,290,579.60 and 216,864,047.20

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Solution

The fourth proportional to 302,860,386.40, 454,290,579.60 and 216,864,047.20 is: 325,296,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,860,386.40 : 454,290,579.60 = 216,864,047.20 : x
  2. Step 2: Convert to fraction form
    302,860,386.40/454,290,579.60 = 216,864,047.20/x
  3. Step 3: Cross multiply
    302,860,386.40x = 454,290,579.60 × 216,864,047.20
  4. Step 4: Simplify right side
    302,860,386.40x = 98,519,293,696,889,760
  5. Step 5: Solve for x
    x = 98,519,293,696,889,760/302,860,386.40
  6. Step 6: Final answer
    x = 325,296,070.80

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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.