Home / 658,771,681.79-909,104,853.29-372,657,095.48

Finding the Fourth Proportional to 658,771,681.79, 909,104,853.29 and 372,657,095.48

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Solution

The fourth proportional to 658,771,681.79, 909,104,853.29 and 372,657,095.48 is: 514,266,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,771,681.79 : 909,104,853.29 = 372,657,095.48 : x
  2. Step 2: Convert to fraction form
    658,771,681.79/909,104,853.29 = 372,657,095.48/x
  3. Step 3: Cross multiply
    658,771,681.79x = 909,104,853.29 × 372,657,095.48
  4. Step 4: Simplify right side
    658,771,681.79x = 338,784,374,117,921,728
  5. Step 5: Solve for x
    x = 338,784,374,117,921,728/658,771,681.79
  6. Step 6: Final answer
    x = 514,266,753.54

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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.