Home / 1,088,506,522.48-1,502,095,734.58-642,613,520.88

Finding the Fourth Proportional to 1,088,506,522.48, 1,502,095,734.58 and 642,613,520.88

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Solution

The fourth proportional to 1,088,506,522.48, 1,502,095,734.58 and 642,613,520.88 is: 886,781,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,506,522.48 : 1,502,095,734.58 = 642,613,520.88 : x
  2. Step 2: Convert to fraction form
    1,088,506,522.48/1,502,095,734.58 = 642,613,520.88/x
  3. Step 3: Cross multiply
    1,088,506,522.48x = 1,502,095,734.58 × 642,613,520.88
  4. Step 4: Simplify right side
    1,088,506,522.48x = 965,267,028,697,283,712
  5. Step 5: Solve for x
    x = 965,267,028,697,283,712/1,088,506,522.48
  6. Step 6: Final answer
    x = 886,781,115.93

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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.