Home / 931,688,730.30-1,396,346,210.55-495,198,522.30

Finding the Fourth Proportional to 931,688,730.30, 1,396,346,210.55 and 495,198,522.30

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Solution

The fourth proportional to 931,688,730.30, 1,396,346,210.55 and 495,198,522.30 is: 742,166,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,688,730.30 : 1,396,346,210.55 = 495,198,522.30 : x
  2. Step 2: Convert to fraction form
    931,688,730.30/1,396,346,210.55 = 495,198,522.30/x
  3. Step 3: Cross multiply
    931,688,730.30x = 1,396,346,210.55 × 495,198,522.30
  4. Step 4: Simplify right side
    931,688,730.30x = 691,468,580,083,564,672
  5. Step 5: Solve for x
    x = 691,468,580,083,564,672/931,688,730.30
  6. Step 6: Final answer
    x = 742,166,946.53

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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.