Home / 610,085,412.15-841,918,411.28-331,626,935.69

Finding the Fourth Proportional to 610,085,412.15, 841,918,411.28 and 331,626,935.69

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Solution

The fourth proportional to 610,085,412.15, 841,918,411.28 and 331,626,935.69 is: 457,645,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,085,412.15 : 841,918,411.28 = 331,626,935.69 : x
  2. Step 2: Convert to fraction form
    610,085,412.15/841,918,411.28 = 331,626,935.69/x
  3. Step 3: Cross multiply
    610,085,412.15x = 841,918,411.28 × 331,626,935.69
  4. Step 4: Simplify right side
    610,085,412.15x = 279,202,822,827,911,808
  5. Step 5: Solve for x
    x = 279,202,822,827,911,808/610,085,412.15
  6. Step 6: Final answer
    x = 457,645,466.14

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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.