Home / 567,464,980,779.72-783,101,167,543.80-320,319,280,634.40

Finding the Fourth Proportional to 567,464,980,779.72, 783,101,167,543.80 and 320,319,280,634.40

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Solution

The fourth proportional to 567,464,980,779.72, 783,101,167,543.80 and 320,319,280,634.40 is: 442,040,321,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,464,980,779.72 : 783,101,167,543.80 = 320,319,280,634.40 : x
  2. Step 2: Convert to fraction form
    567,464,980,779.72/783,101,167,543.80 = 320,319,280,634.40/x
  3. Step 3: Cross multiply
    567,464,980,779.72x = 783,101,167,543.80 × 320,319,280,634.40
  4. Step 4: Simplify right side
    567,464,980,779.72x = 250,842,402,651,588,802,904,064
  5. Step 5: Solve for x
    x = 250,842,402,651,588,802,904,064/567,464,980,779.72
  6. Step 6: Final answer
    x = 442,040,321,689.84

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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.