Home / 1,409,812,140.45-2,114,483,656.60-427,005,013.13

Finding the Fourth Proportional to 1,409,812,140.45, 2,114,483,656.60 and 427,005,013.13

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Solution

The fourth proportional to 1,409,812,140.45, 2,114,483,656.60 and 427,005,013.13 is: 640,436,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,812,140.45 : 2,114,483,656.60 = 427,005,013.13 : x
  2. Step 2: Convert to fraction form
    1,409,812,140.45/2,114,483,656.60 = 427,005,013.13/x
  3. Step 3: Cross multiply
    1,409,812,140.45x = 2,114,483,656.60 × 427,005,013.13
  4. Step 4: Simplify right side
    1,409,812,140.45x = 902,895,121,547,543,808
  5. Step 5: Solve for x
    x = 902,895,121,547,543,808/1,409,812,140.45
  6. Step 6: Final answer
    x = 640,436,477.77

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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.