Home / 545,087,351.10-817,631,026.65-315,504,839.10

Finding the Fourth Proportional to 545,087,351.10, 817,631,026.65 and 315,504,839.10

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Solution

The fourth proportional to 545,087,351.10, 817,631,026.65 and 315,504,839.10 is: 473,257,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,087,351.10 : 817,631,026.65 = 315,504,839.10 : x
  2. Step 2: Convert to fraction form
    545,087,351.10/817,631,026.65 = 315,504,839.10/x
  3. Step 3: Cross multiply
    545,087,351.10x = 817,631,026.65 × 315,504,839.10
  4. Step 4: Simplify right side
    545,087,351.10x = 257,966,545,506,376,064
  5. Step 5: Solve for x
    x = 257,966,545,506,376,064/545,087,351.10
  6. Step 6: Final answer
    x = 473,257,258.65

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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.