Home / 983,679,125.60-1,475,518,688.40-302,874,773.60

Finding the Fourth Proportional to 983,679,125.60, 1,475,518,688.40 and 302,874,773.60

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Solution

The fourth proportional to 983,679,125.60, 1,475,518,688.40 and 302,874,773.60 is: 454,312,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,679,125.60 : 1,475,518,688.40 = 302,874,773.60 : x
  2. Step 2: Convert to fraction form
    983,679,125.60/1,475,518,688.40 = 302,874,773.60/x
  3. Step 3: Cross multiply
    983,679,125.60x = 1,475,518,688.40 × 302,874,773.60
  4. Step 4: Simplify right side
    983,679,125.60x = 446,897,388,691,719,040
  5. Step 5: Solve for x
    x = 446,897,388,691,719,040/983,679,125.60
  6. Step 6: Final answer
    x = 454,312,160.40

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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.