Home / 784,042,975.17-1,176,056,490.80-201,774,957.93

Finding the Fourth Proportional to 784,042,975.17, 1,176,056,490.80 and 201,774,957.93

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Solution

The fourth proportional to 784,042,975.17, 1,176,056,490.80 and 201,774,957.93 is: 302,660,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,042,975.17 : 1,176,056,490.80 = 201,774,957.93 : x
  2. Step 2: Convert to fraction form
    784,042,975.17/1,176,056,490.80 = 201,774,957.93/x
  3. Step 3: Cross multiply
    784,042,975.17x = 1,176,056,490.80 × 201,774,957.93
  4. Step 4: Simplify right side
    784,042,975.17x = 237,298,748,954,977,888
  5. Step 5: Solve for x
    x = 237,298,748,954,977,888/784,042,975.17
  6. Step 6: Final answer
    x = 302,660,385.30

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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.