Home / 955,461,232.89-1,317,857,298.80-637,761,301.52

Finding the Fourth Proportional to 955,461,232.89, 1,317,857,298.80 and 637,761,301.52

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Solution

The fourth proportional to 955,461,232.89, 1,317,857,298.80 and 637,761,301.52 is: 879,657,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,461,232.89 : 1,317,857,298.80 = 637,761,301.52 : x
  2. Step 2: Convert to fraction form
    955,461,232.89/1,317,857,298.80 = 637,761,301.52/x
  3. Step 3: Cross multiply
    955,461,232.89x = 1,317,857,298.80 × 637,761,301.52
  4. Step 4: Simplify right side
    955,461,232.89x = 840,478,386,090,541,440
  5. Step 5: Solve for x
    x = 840,478,386,090,541,440/955,461,232.89
  6. Step 6: Final answer
    x = 879,657,234.81

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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.