Home / 714,636,007.40-1,071,954,011.10-305,733,492.20

Finding the Fourth Proportional to 714,636,007.40, 1,071,954,011.10 and 305,733,492.20

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Solution

The fourth proportional to 714,636,007.40, 1,071,954,011.10 and 305,733,492.20 is: 458,600,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,636,007.40 : 1,071,954,011.10 = 305,733,492.20 : x
  2. Step 2: Convert to fraction form
    714,636,007.40/1,071,954,011.10 = 305,733,492.20/x
  3. Step 3: Cross multiply
    714,636,007.40x = 1,071,954,011.10 × 305,733,492.20
  4. Step 4: Simplify right side
    714,636,007.40x = 327,732,243,291,400,576
  5. Step 5: Solve for x
    x = 327,732,243,291,400,576/714,636,007.40
  6. Step 6: Final answer
    x = 458,600,238.30

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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.