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Finding the Fourth Proportional to 554,730,569.54, 765,528,598.70 and 300,413,900.32

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Solution

The fourth proportional to 554,730,569.54, 765,528,598.70 and 300,413,900.32 is: 414,571,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,730,569.54 : 765,528,598.70 = 300,413,900.32 : x
  2. Step 2: Convert to fraction form
    554,730,569.54/765,528,598.70 = 300,413,900.32/x
  3. Step 3: Cross multiply
    554,730,569.54x = 765,528,598.70 × 300,413,900.32
  4. Step 4: Simplify right side
    554,730,569.54x = 229,975,432,141,971,104
  5. Step 5: Solve for x
    x = 229,975,432,141,971,104/554,730,569.54
  6. Step 6: Final answer
    x = 414,571,405.96

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