Home / 859,924,490,379.67-1,186,724,298,637.40-469,312,441,902

Finding the Fourth Proportional to 859,924,490,379.67, 1,186,724,298,637.40 and 469,312,441,902

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Solution

The fourth proportional to 859,924,490,379.67, 1,186,724,298,637.40 and 469,312,441,902 is: 647,666,725,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,924,490,379.67 : 1,186,724,298,637.40 = 469,312,441,902 : x
  2. Step 2: Convert to fraction form
    859,924,490,379.67/1,186,724,298,637.40 = 469,312,441,902/x
  3. Step 3: Cross multiply
    859,924,490,379.67x = 1,186,724,298,637.40 × 469,312,441,902
  4. Step 4: Simplify right side
    859,924,490,379.67x = 556,944,478,457,956,409,540,608
  5. Step 5: Solve for x
    x = 556,944,478,457,956,409,540,608/859,924,490,379.67
  6. Step 6: Final answer
    x = 647,666,725,030.77

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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.