Home / 660,051,910,315.20-990,077,865,472.80-434,108,281,130.40

Finding the Fourth Proportional to 660,051,910,315.20, 990,077,865,472.80 and 434,108,281,130.40

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Solution

The fourth proportional to 660,051,910,315.20, 990,077,865,472.80 and 434,108,281,130.40 is: 651,162,421,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,051,910,315.20 : 990,077,865,472.80 = 434,108,281,130.40 : x
  2. Step 2: Convert to fraction form
    660,051,910,315.20/990,077,865,472.80 = 434,108,281,130.40/x
  3. Step 3: Cross multiply
    660,051,910,315.20x = 990,077,865,472.80 × 434,108,281,130.40
  4. Step 4: Simplify right side
    660,051,910,315.20x = 429,801,000,365,652,678,017,024
  5. Step 5: Solve for x
    x = 429,801,000,365,652,678,017,024/660,051,910,315.20
  6. Step 6: Final answer
    x = 651,162,421,695.60

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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.