Home / 270,437,039,426.60-405,655,559,139.90-191,093,323,279.40

Finding the Fourth Proportional to 270,437,039,426.60, 405,655,559,139.90 and 191,093,323,279.40

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Solution

The fourth proportional to 270,437,039,426.60, 405,655,559,139.90 and 191,093,323,279.40 is: 286,639,984,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,437,039,426.60 : 405,655,559,139.90 = 191,093,323,279.40 : x
  2. Step 2: Convert to fraction form
    270,437,039,426.60/405,655,559,139.90 = 191,093,323,279.40/x
  3. Step 3: Cross multiply
    270,437,039,426.60x = 405,655,559,139.90 × 191,093,323,279.40
  4. Step 4: Simplify right side
    270,437,039,426.60x = 77,518,068,902,806,685,745,152
  5. Step 5: Solve for x
    x = 77,518,068,902,806,685,745,152/270,437,039,426.60
  6. Step 6: Final answer
    x = 286,639,984,919.10

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Double scale
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1.5x scale

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.