Home / 660,051,910,317.70-990,077,865,476.55-434,108,281,132.90

Finding the Fourth Proportional to 660,051,910,317.70, 990,077,865,476.55 and 434,108,281,132.90

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Solution

The fourth proportional to 660,051,910,317.70, 990,077,865,476.55 and 434,108,281,132.90 is: 651,162,421,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,051,910,317.70 : 990,077,865,476.55 = 434,108,281,132.90 : x
  2. Step 2: Convert to fraction form
    660,051,910,317.70/990,077,865,476.55 = 434,108,281,132.90/x
  3. Step 3: Cross multiply
    660,051,910,317.70x = 990,077,865,476.55 × 434,108,281,132.90
  4. Step 4: Simplify right side
    660,051,910,317.70x = 429,801,000,369,755,781,070,848
  5. Step 5: Solve for x
    x = 429,801,000,369,755,781,070,848/660,051,910,317.70
  6. Step 6: Final answer
    x = 651,162,421,699.35

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Double scale
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1.5x scale

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.