Home / 936,225,689.40-1,291,501,613.39-578,879,233.34

Finding the Fourth Proportional to 936,225,689.40, 1,291,501,613.39 and 578,879,233.34

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Solution

The fourth proportional to 936,225,689.40, 1,291,501,613.39 and 578,879,233.34 is: 798,550,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,225,689.40 : 1,291,501,613.39 = 578,879,233.34 : x
  2. Step 2: Convert to fraction form
    936,225,689.40/1,291,501,613.39 = 578,879,233.34/x
  3. Step 3: Cross multiply
    936,225,689.40x = 1,291,501,613.39 × 578,879,233.34
  4. Step 4: Simplify right side
    936,225,689.40x = 747,623,463,807,224,448
  5. Step 5: Solve for x
    x = 747,623,463,807,224,448/936,225,689.40
  6. Step 6: Final answer
    x = 798,550,469.48

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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.