Home / 651,897,041.70-977,845,562.55-215,265,116.10

Finding the Fourth Proportional to 651,897,041.70, 977,845,562.55 and 215,265,116.10

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Solution

The fourth proportional to 651,897,041.70, 977,845,562.55 and 215,265,116.10 is: 322,897,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,897,041.70 : 977,845,562.55 = 215,265,116.10 : x
  2. Step 2: Convert to fraction form
    651,897,041.70/977,845,562.55 = 215,265,116.10/x
  3. Step 3: Cross multiply
    651,897,041.70x = 977,845,562.55 × 215,265,116.10
  4. Step 4: Simplify right side
    651,897,041.70x = 210,496,038,550,195,552
  5. Step 5: Solve for x
    x = 210,496,038,550,195,552/651,897,041.70
  6. Step 6: Final answer
    x = 322,897,674.15

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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.