Home / 713,139,260.10-1,069,708,890.15-651,917,256.90

Finding the Fourth Proportional to 713,139,260.10, 1,069,708,890.15 and 651,917,256.90

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Solution

The fourth proportional to 713,139,260.10, 1,069,708,890.15 and 651,917,256.90 is: 977,875,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,139,260.10 : 1,069,708,890.15 = 651,917,256.90 : x
  2. Step 2: Convert to fraction form
    713,139,260.10/1,069,708,890.15 = 651,917,256.90/x
  3. Step 3: Cross multiply
    713,139,260.10x = 1,069,708,890.15 × 651,917,256.90
  4. Step 4: Simplify right side
    713,139,260.10x = 697,361,685,348,131,328
  5. Step 5: Solve for x
    x = 697,361,685,348,131,328/713,139,260.10
  6. Step 6: Final answer
    x = 977,875,885.35

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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.