Home / 497,249,905.12-745,942,926.84-169,637,457.40

Finding the Fourth Proportional to 497,249,905.12, 745,942,926.84 and 169,637,457.40

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Solution

The fourth proportional to 497,249,905.12, 745,942,926.84 and 169,637,457.40 is: 254,479,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,249,905.12 : 745,942,926.84 = 169,637,457.40 : x
  2. Step 2: Convert to fraction form
    497,249,905.12/745,942,926.84 = 169,637,457.40/x
  3. Step 3: Cross multiply
    497,249,905.12x = 745,942,926.84 × 169,637,457.40
  4. Step 4: Simplify right side
    497,249,905.12x = 126,539,861,474,651,824
  5. Step 5: Solve for x
    x = 126,539,861,474,651,824/497,249,905.12
  6. Step 6: Final answer
    x = 254,479,407.98

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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.