Home / 664,502,000,709.05-917,000,807,485.55-375,464,054,368.25

Finding the Fourth Proportional to 664,502,000,709.05, 917,000,807,485.55 and 375,464,054,368.25

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Solution

The fourth proportional to 664,502,000,709.05, 917,000,807,485.55 and 375,464,054,368.25 is: 518,133,640,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,502,000,709.05 : 917,000,807,485.55 = 375,464,054,368.25 : x
  2. Step 2: Convert to fraction form
    664,502,000,709.05/917,000,807,485.55 = 375,464,054,368.25/x
  3. Step 3: Cross multiply
    664,502,000,709.05x = 917,000,807,485.55 × 375,464,054,368.25
  4. Step 4: Simplify right side
    664,502,000,709.05x = 344,300,841,037,483,718,213,632
  5. Step 5: Solve for x
    x = 344,300,841,037,483,718,213,632/664,502,000,709.05
  6. Step 6: Final answer
    x = 518,133,640,937.28

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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.