Home / 867,421,430.46-1,301,649,141.11-314,766,972.45

Finding the Fourth Proportional to 867,421,430.46, 1,301,649,141.11 and 314,766,972.45

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Solution

The fourth proportional to 867,421,430.46, 1,301,649,141.11 and 314,766,972.45 is: 472,338,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,421,430.46 : 1,301,649,141.11 = 314,766,972.45 : x
  2. Step 2: Convert to fraction form
    867,421,430.46/1,301,649,141.11 = 314,766,972.45/x
  3. Step 3: Cross multiply
    867,421,430.46x = 1,301,649,141.11 × 314,766,972.45
  4. Step 4: Simplify right side
    867,421,430.46x = 409,716,159,337,763,712
  5. Step 5: Solve for x
    x = 409,716,159,337,763,712/867,421,430.46
  6. Step 6: Final answer
    x = 472,338,064.23

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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.