Home / 980,242,068.25-1,470,673,931.13-349,960,604.49

Finding the Fourth Proportional to 980,242,068.25, 1,470,673,931.13 and 349,960,604.49

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Solution

The fourth proportional to 980,242,068.25, 1,470,673,931.13 and 349,960,604.49 is: 525,051,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,242,068.25 : 1,470,673,931.13 = 349,960,604.49 : x
  2. Step 2: Convert to fraction form
    980,242,068.25/1,470,673,931.13 = 349,960,604.49/x
  3. Step 3: Cross multiply
    980,242,068.25x = 1,470,673,931.13 × 349,960,604.49
  4. Step 4: Simplify right side
    980,242,068.25x = 514,677,937,942,796,160
  5. Step 5: Solve for x
    x = 514,677,937,942,796,160/980,242,068.25
  6. Step 6: Final answer
    x = 525,051,877.09

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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.