Home / 713,150,011.92-983,730,066.66-448,412,874.60

Finding the Fourth Proportional to 713,150,011.92, 983,730,066.66 and 448,412,874.60

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Solution

The fourth proportional to 713,150,011.92, 983,730,066.66 and 448,412,874.60 is: 618,547,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,150,011.92 : 983,730,066.66 = 448,412,874.60 : x
  2. Step 2: Convert to fraction form
    713,150,011.92/983,730,066.66 = 448,412,874.60/x
  3. Step 3: Cross multiply
    713,150,011.92x = 983,730,066.66 × 448,412,874.60
  4. Step 4: Simplify right side
    713,150,011.92x = 441,117,227,021,460,224
  5. Step 5: Solve for x
    x = 441,117,227,021,460,224/713,150,011.92
  6. Step 6: Final answer
    x = 618,547,598.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.