Home / 1,357,035,366.66-1,872,788,799.61-1,021,916,643.67

Finding the Fourth Proportional to 1,357,035,366.66, 1,872,788,799.61 and 1,021,916,643.67

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Solution

The fourth proportional to 1,357,035,366.66, 1,872,788,799.61 and 1,021,916,643.67 is: 1,410,305,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,035,366.66 : 1,872,788,799.61 = 1,021,916,643.67 : x
  2. Step 2: Convert to fraction form
    1,357,035,366.66/1,872,788,799.61 = 1,021,916,643.67/x
  3. Step 3: Cross multiply
    1,357,035,366.66x = 1,872,788,799.61 × 1,021,916,643.67
  4. Step 4: Simplify right side
    1,357,035,366.66x = 1,913,834,044,403,693,312
  5. Step 5: Solve for x
    x = 1,913,834,044,403,693,312/1,357,035,366.66
  6. Step 6: Final answer
    x = 1,410,305,207.53

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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.