Home / 601,921,007.40-902,881,511.10-257,547,239.40

Finding the Fourth Proportional to 601,921,007.40, 902,881,511.10 and 257,547,239.40

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Solution

The fourth proportional to 601,921,007.40, 902,881,511.10 and 257,547,239.40 is: 386,320,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,921,007.40 : 902,881,511.10 = 257,547,239.40 : x
  2. Step 2: Convert to fraction form
    601,921,007.40/902,881,511.10 = 257,547,239.40/x
  3. Step 3: Cross multiply
    601,921,007.40x = 902,881,511.10 × 257,547,239.40
  4. Step 4: Simplify right side
    601,921,007.40x = 232,534,640,689,105,472
  5. Step 5: Solve for x
    x = 232,534,640,689,105,472/601,921,007.40
  6. Step 6: Final answer
    x = 386,320,859.10

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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.