Home / 837,837,397.04-1,156,215,594.21-485,617,686.35

Finding the Fourth Proportional to 837,837,397.04, 1,156,215,594.21 and 485,617,686.35

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Solution

The fourth proportional to 837,837,397.04, 1,156,215,594.21 and 485,617,686.35 is: 670,152,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,837,397.04 : 1,156,215,594.21 = 485,617,686.35 : x
  2. Step 2: Convert to fraction form
    837,837,397.04/1,156,215,594.21 = 485,617,686.35/x
  3. Step 3: Cross multiply
    837,837,397.04x = 1,156,215,594.21 × 485,617,686.35
  4. Step 4: Simplify right side
    837,837,397.04x = 561,478,741,782,050,688
  5. Step 5: Solve for x
    x = 561,478,741,782,050,688/837,837,397.04
  6. Step 6: Final answer
    x = 670,152,399.22

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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.