Home / 761,264,531,278.80-1,142,366,480,909.90-352,774,764,702.67

Finding the Fourth Proportional to 761,264,531,278.80, 1,142,366,480,909.90 and 352,774,764,702.67

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Solution

The fourth proportional to 761,264,531,278.80, 1,142,366,480,909.90 and 352,774,764,702.67 is: 529,379,801,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,264,531,278.80 : 1,142,366,480,909.90 = 352,774,764,702.67 : x
  2. Step 2: Convert to fraction form
    761,264,531,278.80/1,142,366,480,909.90 = 352,774,764,702.67/x
  3. Step 3: Cross multiply
    761,264,531,278.80x = 1,142,366,480,909.90 × 352,774,764,702.67
  4. Step 4: Simplify right side
    761,264,531,278.80x = 402,998,066,507,207,078,313,984
  5. Step 5: Solve for x
    x = 402,998,066,507,207,078,313,984/761,264,531,278.80
  6. Step 6: Final answer
    x = 529,379,801,565.48

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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.