Home / 786,687,748.44-1,085,689,184.22-434,331,605.40

Finding the Fourth Proportional to 786,687,748.44, 1,085,689,184.22 and 434,331,605.40

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Solution

The fourth proportional to 786,687,748.44, 1,085,689,184.22 and 434,331,605.40 is: 599,410,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,687,748.44 : 1,085,689,184.22 = 434,331,605.40 : x
  2. Step 2: Convert to fraction form
    786,687,748.44/1,085,689,184.22 = 434,331,605.40/x
  3. Step 3: Cross multiply
    786,687,748.44x = 1,085,689,184.22 × 434,331,605.40
  4. Step 4: Simplify right side
    786,687,748.44x = 471,549,126,347,688,960
  5. Step 5: Solve for x
    x = 471,549,126,347,688,960/786,687,748.44
  6. Step 6: Final answer
    x = 599,410,792.00

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1.5x scale

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.