Home / 631,506,530.40-947,187,427.77-165,212,952.57

Finding the Fourth Proportional to 631,506,530.40, 947,187,427.77 and 165,212,952.57

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Solution

The fourth proportional to 631,506,530.40, 947,187,427.77 and 165,212,952.57 is: 247,800,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,506,530.40 : 947,187,427.77 = 165,212,952.57 : x
  2. Step 2: Convert to fraction form
    631,506,530.40/947,187,427.77 = 165,212,952.57/x
  3. Step 3: Cross multiply
    631,506,530.40x = 947,187,427.77 × 165,212,952.57
  4. Step 4: Simplify right side
    631,506,530.40x = 156,487,631,579,065,312
  5. Step 5: Solve for x
    x = 156,487,631,579,065,312/631,506,530.40
  6. Step 6: Final answer
    x = 247,800,496.19

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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.