Home / 9,243,744,800.80-12,755,291,642.88-5,174,869,312.48

Finding the Fourth Proportional to 9,243,744,800.80, 12,755,291,642.88 and 5,174,869,312.48

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Solution

The fourth proportional to 9,243,744,800.80, 12,755,291,642.88 and 5,174,869,312.48 is: 7,140,717,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243,744,800.80 : 12,755,291,642.88 = 5,174,869,312.48 : x
  2. Step 2: Convert to fraction form
    9,243,744,800.80/12,755,291,642.88 = 5,174,869,312.48/x
  3. Step 3: Cross multiply
    9,243,744,800.80x = 12,755,291,642.88 × 5,174,869,312.48
  4. Step 4: Simplify right side
    9,243,744,800.80x = 66,006,967,294,472,306,688
  5. Step 5: Solve for x
    x = 66,006,967,294,472,306,688/9,243,744,800.80
  6. Step 6: Final answer
    x = 7,140,717,178.69

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1.5x scale

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.