Home / 651,656,005.20-977,484,007.80-445,031,744.40

Finding the Fourth Proportional to 651,656,005.20, 977,484,007.80 and 445,031,744.40

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Solution

The fourth proportional to 651,656,005.20, 977,484,007.80 and 445,031,744.40 is: 667,547,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,656,005.20 : 977,484,007.80 = 445,031,744.40 : x
  2. Step 2: Convert to fraction form
    651,656,005.20/977,484,007.80 = 445,031,744.40/x
  3. Step 3: Cross multiply
    651,656,005.20x = 977,484,007.80 × 445,031,744.40
  4. Step 4: Simplify right side
    651,656,005.20x = 435,011,413,114,337,152
  5. Step 5: Solve for x
    x = 435,011,413,114,337,152/651,656,005.20
  6. Step 6: Final answer
    x = 667,547,616.60

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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.