Home / 624,592,419.82-861,946,965.75-342,332,602.30

Finding the Fourth Proportional to 624,592,419.82, 861,946,965.75 and 342,332,602.30

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Solution

The fourth proportional to 624,592,419.82, 861,946,965.75 and 342,332,602.30 is: 472,424,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,592,419.82 : 861,946,965.75 = 342,332,602.30 : x
  2. Step 2: Convert to fraction form
    624,592,419.82/861,946,965.75 = 342,332,602.30/x
  3. Step 3: Cross multiply
    624,592,419.82x = 861,946,965.75 × 342,332,602.30
  4. Step 4: Simplify right side
    624,592,419.82x = 295,072,547,829,786,496
  5. Step 5: Solve for x
    x = 295,072,547,829,786,496/624,592,419.82
  6. Step 6: Final answer
    x = 472,424,157.68

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Double scale
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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.