Home / 346,330,191.38-477,983,214.93-212,344,412.76

Finding the Fourth Proportional to 346,330,191.38, 477,983,214.93 and 212,344,412.76

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Solution

The fourth proportional to 346,330,191.38, 477,983,214.93 and 212,344,412.76 is: 293,064,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,330,191.38 : 477,983,214.93 = 212,344,412.76 : x
  2. Step 2: Convert to fraction form
    346,330,191.38/477,983,214.93 = 212,344,412.76/x
  3. Step 3: Cross multiply
    346,330,191.38x = 477,983,214.93 × 212,344,412.76
  4. Step 4: Simplify right side
    346,330,191.38x = 101,497,065,083,447,712
  5. Step 5: Solve for x
    x = 101,497,065,083,447,712/346,330,191.38
  6. Step 6: Final answer
    x = 293,064,444.31

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1.5x scale

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.