Home / 863,139,113.10-1,294,708,669.65-587,640,098.70

Finding the Fourth Proportional to 863,139,113.10, 1,294,708,669.65 and 587,640,098.70

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Solution

The fourth proportional to 863,139,113.10, 1,294,708,669.65 and 587,640,098.70 is: 881,460,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,139,113.10 : 1,294,708,669.65 = 587,640,098.70 : x
  2. Step 2: Convert to fraction form
    863,139,113.10/1,294,708,669.65 = 587,640,098.70/x
  3. Step 3: Cross multiply
    863,139,113.10x = 1,294,708,669.65 × 587,640,098.70
  4. Step 4: Simplify right side
    863,139,113.10x = 760,822,730,420,871,808
  5. Step 5: Solve for x
    x = 760,822,730,420,871,808/863,139,113.10
  6. Step 6: Final answer
    x = 881,460,148.05

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1.5x scale

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.