Home / 473,417,581.15-710,142,610.20-145,890,492.85

Finding the Fourth Proportional to 473,417,581.15, 710,142,610.20 and 145,890,492.85

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Solution

The fourth proportional to 473,417,581.15, 710,142,610.20 and 145,890,492.85 is: 218,840,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,417,581.15 : 710,142,610.20 = 145,890,492.85 : x
  2. Step 2: Convert to fraction form
    473,417,581.15/710,142,610.20 = 145,890,492.85/x
  3. Step 3: Cross multiply
    473,417,581.15x = 710,142,610.20 × 145,890,492.85
  4. Step 4: Simplify right side
    473,417,581.15x = 103,603,055,395,863,440
  5. Step 5: Solve for x
    x = 103,603,055,395,863,440/473,417,581.15
  6. Step 6: Final answer
    x = 218,840,743.40

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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.