Home / 934,934,883.36-1,290,200,572.86-517,250,157.96

Finding the Fourth Proportional to 934,934,883.36, 1,290,200,572.86 and 517,250,157.96

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Solution

The fourth proportional to 934,934,883.36, 1,290,200,572.86 and 517,250,157.96 is: 713,799,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,934,883.36 : 1,290,200,572.86 = 517,250,157.96 : x
  2. Step 2: Convert to fraction form
    934,934,883.36/1,290,200,572.86 = 517,250,157.96/x
  3. Step 3: Cross multiply
    934,934,883.36x = 1,290,200,572.86 × 517,250,157.96
  4. Step 4: Simplify right side
    934,934,883.36x = 667,356,450,111,917,440
  5. Step 5: Solve for x
    x = 667,356,450,111,917,440/934,934,883.36
  6. Step 6: Final answer
    x = 713,799,925.52

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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.