Home / 634,029,457.40-951,044,186.10-289,655,689.40

Finding the Fourth Proportional to 634,029,457.40, 951,044,186.10 and 289,655,689.40

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Solution

The fourth proportional to 634,029,457.40, 951,044,186.10 and 289,655,689.40 is: 434,483,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,029,457.40 : 951,044,186.10 = 289,655,689.40 : x
  2. Step 2: Convert to fraction form
    634,029,457.40/951,044,186.10 = 289,655,689.40/x
  3. Step 3: Cross multiply
    634,029,457.40x = 951,044,186.10 × 289,655,689.40
  4. Step 4: Simplify right side
    634,029,457.40x = 275,475,359,374,657,376
  5. Step 5: Solve for x
    x = 275,475,359,374,657,376/634,029,457.40
  6. Step 6: Final answer
    x = 434,483,534.10

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Double scale
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Similar ratio
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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.