Home / 388,123,547.54-582,197,140.02-151,763,631.36

Finding the Fourth Proportional to 388,123,547.54, 582,197,140.02 and 151,763,631.36

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Solution

The fourth proportional to 388,123,547.54, 582,197,140.02 and 151,763,631.36 is: 227,650,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,123,547.54 : 582,197,140.02 = 151,763,631.36 : x
  2. Step 2: Convert to fraction form
    388,123,547.54/582,197,140.02 = 151,763,631.36/x
  3. Step 3: Cross multiply
    388,123,547.54x = 582,197,140.02 × 151,763,631.36
  4. Step 4: Simplify right side
    388,123,547.54x = 88,356,352,136,841,584
  5. Step 5: Solve for x
    x = 88,356,352,136,841,584/388,123,547.54
  6. Step 6: Final answer
    x = 227,650,068.38

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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.