Home / 531,442,337.40-797,163,506.10-312,868,308.60

Finding the Fourth Proportional to 531,442,337.40, 797,163,506.10 and 312,868,308.60

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Solution

The fourth proportional to 531,442,337.40, 797,163,506.10 and 312,868,308.60 is: 469,302,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,337.40 : 797,163,506.10 = 312,868,308.60 : x
  2. Step 2: Convert to fraction form
    531,442,337.40/797,163,506.10 = 312,868,308.60/x
  3. Step 3: Cross multiply
    531,442,337.40x = 797,163,506.10 × 312,868,308.60
  4. Step 4: Simplify right side
    531,442,337.40x = 249,407,197,831,152,800
  5. Step 5: Solve for x
    x = 249,407,197,831,152,800/531,442,337.40
  6. Step 6: Final answer
    x = 469,302,462.90

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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.