Home / 1,117,536,812.57-1,676,564,592.08-380,613,101.51

Finding the Fourth Proportional to 1,117,536,812.57, 1,676,564,592.08 and 380,613,101.51

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Solution

The fourth proportional to 1,117,536,812.57, 1,676,564,592.08 and 380,613,101.51 is: 571,007,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,536,812.57 : 1,676,564,592.08 = 380,613,101.51 : x
  2. Step 2: Convert to fraction form
    1,117,536,812.57/1,676,564,592.08 = 380,613,101.51/x
  3. Step 3: Cross multiply
    1,117,536,812.57x = 1,676,564,592.08 × 380,613,101.51
  4. Step 4: Simplify right side
    1,117,536,812.57x = 638,122,449,263,130,880
  5. Step 5: Solve for x
    x = 638,122,449,263,130,880/1,117,536,812.57
  6. Step 6: Final answer
    x = 571,007,990.15

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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.