Home / 666,009,210.83-918,881,419.14-387,496,925.96

Finding the Fourth Proportional to 666,009,210.83, 918,881,419.14 and 387,496,925.96

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Solution

The fourth proportional to 666,009,210.83, 918,881,419.14 and 387,496,925.96 is: 534,622,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,009,210.83 : 918,881,419.14 = 387,496,925.96 : x
  2. Step 2: Convert to fraction form
    666,009,210.83/918,881,419.14 = 387,496,925.96/x
  3. Step 3: Cross multiply
    666,009,210.83x = 918,881,419.14 × 387,496,925.96
  4. Step 4: Simplify right side
    666,009,210.83x = 356,063,725,233,917,888
  5. Step 5: Solve for x
    x = 356,063,725,233,917,888/666,009,210.83
  6. Step 6: Final answer
    x = 534,622,824.20

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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.