Home / 885,736,280.70-1,328,604,421.05-303,276,944.70

Finding the Fourth Proportional to 885,736,280.70, 1,328,604,421.05 and 303,276,944.70

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Solution

The fourth proportional to 885,736,280.70, 1,328,604,421.05 and 303,276,944.70 is: 454,915,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,280.70 : 1,328,604,421.05 = 303,276,944.70 : x
  2. Step 2: Convert to fraction form
    885,736,280.70/1,328,604,421.05 = 303,276,944.70/x
  3. Step 3: Cross multiply
    885,736,280.70x = 1,328,604,421.05 × 303,276,944.70
  4. Step 4: Simplify right side
    885,736,280.70x = 402,935,089,530,956,352
  5. Step 5: Solve for x
    x = 402,935,089,530,956,352/885,736,280.70
  6. Step 6: Final answer
    x = 454,915,417.05

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Double scale
Find fourth proportional to 885,736,281.70, 1,328,604,422.55 and 303,276,945.70
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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.