Home / 28,296,869,543.90-42,445,304,315.85-9,661,572,014.30

Finding the Fourth Proportional to 28,296,869,543.90, 42,445,304,315.85 and 9,661,572,014.30

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Solution

The fourth proportional to 28,296,869,543.90, 42,445,304,315.85 and 9,661,572,014.30 is: 14,492,358,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,869,543.90 : 42,445,304,315.85 = 9,661,572,014.30 : x
  2. Step 2: Convert to fraction form
    28,296,869,543.90/42,445,304,315.85 = 9,661,572,014.30/x
  3. Step 3: Cross multiply
    28,296,869,543.90x = 42,445,304,315.85 × 9,661,572,014.30
  4. Step 4: Simplify right side
    28,296,869,543.90x = 410,088,364,316,463,333,376
  5. Step 5: Solve for x
    x = 410,088,364,316,463,333,376/28,296,869,543.90
  6. Step 6: Final answer
    x = 14,492,358,021.45

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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.