Home / 435,497,428.20-653,246,142.30-402,241,031.40

Finding the Fourth Proportional to 435,497,428.20, 653,246,142.30 and 402,241,031.40

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Solution

The fourth proportional to 435,497,428.20, 653,246,142.30 and 402,241,031.40 is: 603,361,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,497,428.20 : 653,246,142.30 = 402,241,031.40 : x
  2. Step 2: Convert to fraction form
    435,497,428.20/653,246,142.30 = 402,241,031.40/x
  3. Step 3: Cross multiply
    435,497,428.20x = 653,246,142.30 × 402,241,031.40
  4. Step 4: Simplify right side
    435,497,428.20x = 262,762,402,036,823,136
  5. Step 5: Solve for x
    x = 262,762,402,036,823,136/435,497,428.20
  6. Step 6: Final answer
    x = 603,361,547.10

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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.