Home / 319,298,567.02-440,528,845.67-178,146,902.48

Finding the Fourth Proportional to 319,298,567.02, 440,528,845.67 and 178,146,902.48

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Solution

The fourth proportional to 319,298,567.02, 440,528,845.67 and 178,146,902.48 is: 245,785,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,298,567.02 : 440,528,845.67 = 178,146,902.48 : x
  2. Step 2: Convert to fraction form
    319,298,567.02/440,528,845.67 = 178,146,902.48/x
  3. Step 3: Cross multiply
    319,298,567.02x = 440,528,845.67 × 178,146,902.48
  4. Step 4: Simplify right side
    319,298,567.02x = 78,478,849,307,776,320
  5. Step 5: Solve for x
    x = 78,478,849,307,776,320/319,298,567.02
  6. Step 6: Final answer
    x = 245,785,159.77

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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.