Home / 469,728,049.80-704,592,074.70-146,569,931.40

Finding the Fourth Proportional to 469,728,049.80, 704,592,074.70 and 146,569,931.40

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Solution

The fourth proportional to 469,728,049.80, 704,592,074.70 and 146,569,931.40 is: 219,854,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,728,049.80 : 704,592,074.70 = 146,569,931.40 : x
  2. Step 2: Convert to fraction form
    469,728,049.80/704,592,074.70 = 146,569,931.40/x
  3. Step 3: Cross multiply
    469,728,049.80x = 704,592,074.70 × 146,569,931.40
  4. Step 4: Simplify right side
    469,728,049.80x = 103,272,012,053,762,688
  5. Step 5: Solve for x
    x = 103,272,012,053,762,688/469,728,049.80
  6. Step 6: Final answer
    x = 219,854,897.10

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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.