Home / 290,433,781,296.16-400,798,618,960.08-156,924,464,688.16

Finding the Fourth Proportional to 290,433,781,296.16, 400,798,618,960.08 and 156,924,464,688.16

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Solution

The fourth proportional to 290,433,781,296.16, 400,798,618,960.08 and 156,924,464,688.16 is: 216,555,761,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,433,781,296.16 : 400,798,618,960.08 = 156,924,464,688.16 : x
  2. Step 2: Convert to fraction form
    290,433,781,296.16/400,798,618,960.08 = 156,924,464,688.16/x
  3. Step 3: Cross multiply
    290,433,781,296.16x = 400,798,618,960.08 × 156,924,464,688.16
  4. Step 4: Simplify right side
    290,433,781,296.16x = 62,895,108,728,064,374,210,560
  5. Step 5: Solve for x
    x = 62,895,108,728,064,374,210,560/290,433,781,296.16
  6. Step 6: Final answer
    x = 216,555,761,686.45

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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.