Home / 564,730,019.80-847,095,029.70-258,620,003.80

Finding the Fourth Proportional to 564,730,019.80, 847,095,029.70 and 258,620,003.80

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Solution

The fourth proportional to 564,730,019.80, 847,095,029.70 and 258,620,003.80 is: 387,930,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,730,019.80 : 847,095,029.70 = 258,620,003.80 : x
  2. Step 2: Convert to fraction form
    564,730,019.80/847,095,029.70 = 258,620,003.80/x
  3. Step 3: Cross multiply
    564,730,019.80x = 847,095,029.70 × 258,620,003.80
  4. Step 4: Simplify right side
    564,730,019.80x = 219,075,719,799,975,136
  5. Step 5: Solve for x
    x = 219,075,719,799,975,136/564,730,019.80
  6. Step 6: Final answer
    x = 387,930,005.70

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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.