Home / 1,078,861,378.17-1,488,828,703.77-583,824,086.67

Finding the Fourth Proportional to 1,078,861,378.17, 1,488,828,703.77 and 583,824,086.67

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Solution

The fourth proportional to 1,078,861,378.17, 1,488,828,703.77 and 583,824,086.67 is: 805,677,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,861,378.17 : 1,488,828,703.77 = 583,824,086.67 : x
  2. Step 2: Convert to fraction form
    1,078,861,378.17/1,488,828,703.77 = 583,824,086.67/x
  3. Step 3: Cross multiply
    1,078,861,378.17x = 1,488,828,703.77 × 583,824,086.67
  4. Step 4: Simplify right side
    1,078,861,378.17x = 869,214,058,186,600,192
  5. Step 5: Solve for x
    x = 869,214,058,186,600,192/1,078,861,378.17
  6. Step 6: Final answer
    x = 805,677,240.63

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Half scale
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Double scale
Find fourth proportional to 1,078,861,379.17, 1,488,828,705.15 and 583,824,087.67
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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.