Home / 776,925,775.20-1,165,388,662.80-532,037,762.40

Finding the Fourth Proportional to 776,925,775.20, 1,165,388,662.80 and 532,037,762.40

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Solution

The fourth proportional to 776,925,775.20, 1,165,388,662.80 and 532,037,762.40 is: 798,056,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,925,775.20 : 1,165,388,662.80 = 532,037,762.40 : x
  2. Step 2: Convert to fraction form
    776,925,775.20/1,165,388,662.80 = 532,037,762.40/x
  3. Step 3: Cross multiply
    776,925,775.20x = 1,165,388,662.80 × 532,037,762.40
  4. Step 4: Simplify right side
    776,925,775.20x = 620,030,776,482,440,064
  5. Step 5: Solve for x
    x = 620,030,776,482,440,064/776,925,775.20
  6. Step 6: Final answer
    x = 798,056,643.60

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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.