Home / 651,896,966.70-977,845,450.05-215,265,041.10

Finding the Fourth Proportional to 651,896,966.70, 977,845,450.05 and 215,265,041.10

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Solution

The fourth proportional to 651,896,966.70, 977,845,450.05 and 215,265,041.10 is: 322,897,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,896,966.70 : 977,845,450.05 = 215,265,041.10 : x
  2. Step 2: Convert to fraction form
    651,896,966.70/977,845,450.05 = 215,265,041.10/x
  3. Step 3: Cross multiply
    651,896,966.70x = 977,845,450.05 × 215,265,041.10
  4. Step 4: Simplify right side
    651,896,966.70x = 210,495,940,994,461,216
  5. Step 5: Solve for x
    x = 210,495,940,994,461,216/651,896,966.70
  6. Step 6: Final answer
    x = 322,897,561.65

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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.