Home / 1,254,103,492.77-1,730,712,686.36-689,634,652.59

Finding the Fourth Proportional to 1,254,103,492.77, 1,730,712,686.36 and 689,634,652.59

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Solution

The fourth proportional to 1,254,103,492.77, 1,730,712,686.36 and 689,634,652.59 is: 951,723,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,103,492.77 : 1,730,712,686.36 = 689,634,652.59 : x
  2. Step 2: Convert to fraction form
    1,254,103,492.77/1,730,712,686.36 = 689,634,652.59/x
  3. Step 3: Cross multiply
    1,254,103,492.77x = 1,730,712,686.36 × 689,634,652.59
  4. Step 4: Simplify right side
    1,254,103,492.77x = 1,193,559,442,187,536,128
  5. Step 5: Solve for x
    x = 1,193,559,442,187,536,128/1,254,103,492.77
  6. Step 6: Final answer
    x = 951,723,242.20

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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.