Home / 890,444,449.04-1,335,871,871.90-308,178,701.48

Finding the Fourth Proportional to 890,444,449.04, 1,335,871,871.90 and 308,178,701.48

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Solution

The fourth proportional to 890,444,449.04, 1,335,871,871.90 and 308,178,701.48 is: 462,339,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,444,449.04 : 1,335,871,871.90 = 308,178,701.48 : x
  2. Step 2: Convert to fraction form
    890,444,449.04/1,335,871,871.90 = 308,178,701.48/x
  3. Step 3: Cross multiply
    890,444,449.04x = 1,335,871,871.90 × 308,178,701.48
  4. Step 4: Simplify right side
    890,444,449.04x = 411,687,258,817,578,688
  5. Step 5: Solve for x
    x = 411,687,258,817,578,688/890,444,449.04
  6. Step 6: Final answer
    x = 462,339,070.41

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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.