Home / 286,924,461.70-429,938,289.16-199,656,483.20

Finding the Fourth Proportional to 286,924,461.70, 429,938,289.16 and 199,656,483.20

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Solution

The fourth proportional to 286,924,461.70, 429,938,289.16 and 199,656,483.20 is: 299,172,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,924,461.70 : 429,938,289.16 = 199,656,483.20 : x
  2. Step 2: Convert to fraction form
    286,924,461.70/429,938,289.16 = 199,656,483.20/x
  3. Step 3: Cross multiply
    286,924,461.70x = 429,938,289.16 × 199,656,483.20
  4. Step 4: Simplify right side
    286,924,461.70x = 85,839,966,806,710,288
  5. Step 5: Solve for x
    x = 85,839,966,806,710,288/286,924,461.70
  6. Step 6: Final answer
    x = 299,172,703.15

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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.