Home / 554,966,964.08-765,792,621.05-307,386,316.88

Finding the Fourth Proportional to 554,966,964.08, 765,792,621.05 and 307,386,316.88

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Solution

The fourth proportional to 554,966,964.08, 765,792,621.05 and 307,386,316.88 is: 424,158,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,966,964.08 : 765,792,621.05 = 307,386,316.88 : x
  2. Step 2: Convert to fraction form
    554,966,964.08/765,792,621.05 = 307,386,316.88/x
  3. Step 3: Cross multiply
    554,966,964.08x = 765,792,621.05 × 307,386,316.88
  4. Step 4: Simplify right side
    554,966,964.08x = 235,394,173,273,075,136
  5. Step 5: Solve for x
    x = 235,394,173,273,075,136/554,966,964.08
  6. Step 6: Final answer
    x = 424,158,893.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.