Home / 314,648,820.54-434,077,622.64-300,060,765

Finding the Fourth Proportional to 314,648,820.54, 434,077,622.64 and 300,060,765

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Solution

The fourth proportional to 314,648,820.54, 434,077,622.64 and 300,060,765 is: 413,952,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,648,820.54 : 434,077,622.64 = 300,060,765 : x
  2. Step 2: Convert to fraction form
    314,648,820.54/434,077,622.64 = 300,060,765/x
  3. Step 3: Cross multiply
    314,648,820.54x = 434,077,622.64 × 300,060,765
  4. Step 4: Simplify right side
    314,648,820.54x = 130,249,663,518,739,712
  5. Step 5: Solve for x
    x = 130,249,663,518,739,712/314,648,820.54
  6. Step 6: Final answer
    x = 413,952,492.48

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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.