Home / 1,006,638,445.59-1,510,011,476.79-316,599,507.96

Finding the Fourth Proportional to 1,006,638,445.59, 1,510,011,476.79 and 316,599,507.96

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Solution

The fourth proportional to 1,006,638,445.59, 1,510,011,476.79 and 316,599,507.96 is: 474,916,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,638,445.59 : 1,510,011,476.79 = 316,599,507.96 : x
  2. Step 2: Convert to fraction form
    1,006,638,445.59/1,510,011,476.79 = 316,599,507.96/x
  3. Step 3: Cross multiply
    1,006,638,445.59x = 1,510,011,476.79 × 316,599,507.96
  4. Step 4: Simplify right side
    1,006,638,445.59x = 478,068,890,565,666,944
  5. Step 5: Solve for x
    x = 478,068,890,565,666,944/1,006,638,445.59
  6. Step 6: Final answer
    x = 474,916,185.31

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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.