Home / 813,564,050.10-1,220,346,075.15-260,865,410.10

Finding the Fourth Proportional to 813,564,050.10, 1,220,346,075.15 and 260,865,410.10

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Solution

The fourth proportional to 813,564,050.10, 1,220,346,075.15 and 260,865,410.10 is: 391,298,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,564,050.10 : 1,220,346,075.15 = 260,865,410.10 : x
  2. Step 2: Convert to fraction form
    813,564,050.10/1,220,346,075.15 = 260,865,410.10/x
  3. Step 3: Cross multiply
    813,564,050.10x = 1,220,346,075.15 × 260,865,410.10
  4. Step 4: Simplify right side
    813,564,050.10x = 318,346,079,357,930,176
  5. Step 5: Solve for x
    x = 318,346,079,357,930,176/813,564,050.10
  6. Step 6: Final answer
    x = 391,298,115.15

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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.