Home / 709,648,132.40-1,064,627,027.40-403,087,108.40

Finding the Fourth Proportional to 709,648,132.40, 1,064,627,027.40 and 403,087,108.40

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Solution

The fourth proportional to 709,648,132.40, 1,064,627,027.40 and 403,087,108.40 is: 604,718,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,648,132.40 : 1,064,627,027.40 = 403,087,108.40 : x
  2. Step 2: Convert to fraction form
    709,648,132.40/1,064,627,027.40 = 403,087,108.40/x
  3. Step 3: Cross multiply
    709,648,132.40x = 1,064,627,027.40 × 403,087,108.40
  4. Step 4: Simplify right side
    709,648,132.40x = 429,137,429,999,153,536
  5. Step 5: Solve for x
    x = 429,137,429,999,153,536/709,648,132.40
  6. Step 6: Final answer
    x = 604,718,606.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.