Home / 744,132,387-1,027,000,478.70-426,716,849.40

Finding the Fourth Proportional to 744,132,387, 1,027,000,478.70 and 426,716,849.40

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Solution

The fourth proportional to 744,132,387, 1,027,000,478.70 and 426,716,849.40 is: 588,925,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,132,387 : 1,027,000,478.70 = 426,716,849.40 : x
  2. Step 2: Convert to fraction form
    744,132,387/1,027,000,478.70 = 426,716,849.40/x
  3. Step 3: Cross multiply
    744,132,387x = 1,027,000,478.70 × 426,716,849.40
  4. Step 4: Simplify right side
    744,132,387x = 438,238,408,603,155,776
  5. Step 5: Solve for x
    x = 438,238,408,603,155,776/744,132,387
  6. Step 6: Final answer
    x = 588,925,326.00

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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.