Home / 347,590,463.40-521,721,618.30-211,541,567.40

Finding the Fourth Proportional to 347,590,463.40, 521,721,618.30 and 211,541,567.40

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Solution

The fourth proportional to 347,590,463.40, 521,721,618.30 and 211,541,567.40 is: 317,516,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,590,463.40 : 521,721,618.30 = 211,541,567.40 : x
  2. Step 2: Convert to fraction form
    347,590,463.40/521,721,618.30 = 211,541,567.40/x
  3. Step 3: Cross multiply
    347,590,463.40x = 521,721,618.30 × 211,541,567.40
  4. Step 4: Simplify right side
    347,590,463.40x = 110,365,808,881,646,528
  5. Step 5: Solve for x
    x = 110,365,808,881,646,528/347,590,463.40
  6. Step 6: Final answer
    x = 317,516,792.04

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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.