Home / 661,972,075.77-913,521,421.26-383,675,024.52

Finding the Fourth Proportional to 661,972,075.77, 913,521,421.26 and 383,675,024.52

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Solution

The fourth proportional to 661,972,075.77, 913,521,421.26 and 383,675,024.52 is: 529,471,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,972,075.77 : 913,521,421.26 = 383,675,024.52 : x
  2. Step 2: Convert to fraction form
    661,972,075.77/913,521,421.26 = 383,675,024.52/x
  3. Step 3: Cross multiply
    661,972,075.77x = 913,521,421.26 × 383,675,024.52
  4. Step 4: Simplify right side
    661,972,075.77x = 350,495,353,701,475,712
  5. Step 5: Solve for x
    x = 350,495,353,701,475,712/661,972,075.77
  6. Step 6: Final answer
    x = 529,471,508.74

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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.