Home / 558,899,401.40-771,258,718.53-304,575,357.47

Finding the Fourth Proportional to 558,899,401.40, 771,258,718.53 and 304,575,357.47

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Solution

The fourth proportional to 558,899,401.40, 771,258,718.53 and 304,575,357.47 is: 420,301,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,899,401.40 : 771,258,718.53 = 304,575,357.47 : x
  2. Step 2: Convert to fraction form
    558,899,401.40/771,258,718.53 = 304,575,357.47/x
  3. Step 3: Cross multiply
    558,899,401.40x = 771,258,718.53 × 304,575,357.47
  4. Step 4: Simplify right side
    558,899,401.40x = 234,906,399,896,605,984
  5. Step 5: Solve for x
    x = 234,906,399,896,605,984/558,899,401.40
  6. Step 6: Final answer
    x = 420,301,756.11

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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.