Home / 319,169,426.40-478,754,139.60-182,742,616.80

Finding the Fourth Proportional to 319,169,426.40, 478,754,139.60 and 182,742,616.80

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Solution

The fourth proportional to 319,169,426.40, 478,754,139.60 and 182,742,616.80 is: 274,113,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,169,426.40 : 478,754,139.60 = 182,742,616.80 : x
  2. Step 2: Convert to fraction form
    319,169,426.40/478,754,139.60 = 182,742,616.80/x
  3. Step 3: Cross multiply
    319,169,426.40x = 478,754,139.60 × 182,742,616.80
  4. Step 4: Simplify right side
    319,169,426.40x = 87,488,784,274,336,512
  5. Step 5: Solve for x
    x = 87,488,784,274,336,512/319,169,426.40
  6. Step 6: Final answer
    x = 274,113,925.20

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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.