Home / 529,835,207.16-731,159,681.42-291,678,455.96

Finding the Fourth Proportional to 529,835,207.16, 731,159,681.42 and 291,678,455.96

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Solution

The fourth proportional to 529,835,207.16, 731,159,681.42 and 291,678,455.96 is: 402,509,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,835,207.16 : 731,159,681.42 = 291,678,455.96 : x
  2. Step 2: Convert to fraction form
    529,835,207.16/731,159,681.42 = 291,678,455.96/x
  3. Step 3: Cross multiply
    529,835,207.16x = 731,159,681.42 × 291,678,455.96
  4. Step 4: Simplify right side
    529,835,207.16x = 213,263,526,936,791,072
  5. Step 5: Solve for x
    x = 213,263,526,936,791,072/529,835,207.16
  6. Step 6: Final answer
    x = 402,509,165.22

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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.