Home / 992,118,513.84-1,488,181,670.45-401,919,902.16

Finding the Fourth Proportional to 992,118,513.84, 1,488,181,670.45 and 401,919,902.16

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Solution

The fourth proportional to 992,118,513.84, 1,488,181,670.45 and 401,919,902.16 is: 602,881,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,118,513.84 : 1,488,181,670.45 = 401,919,902.16 : x
  2. Step 2: Convert to fraction form
    992,118,513.84/1,488,181,670.45 = 401,919,902.16/x
  3. Step 3: Cross multiply
    992,118,513.84x = 1,488,181,670.45 × 401,919,902.16
  4. Step 4: Simplify right side
    992,118,513.84x = 598,129,831,381,559,808
  5. Step 5: Solve for x
    x = 598,129,831,381,559,808/992,118,513.84
  6. Step 6: Final answer
    x = 602,881,433.05

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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.