Home / 822,502,841.58-1,134,859,237.29-465,278,830.74

Finding the Fourth Proportional to 822,502,841.58, 1,134,859,237.29 and 465,278,830.74

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Solution

The fourth proportional to 822,502,841.58, 1,134,859,237.29 and 465,278,830.74 is: 641,974,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,502,841.58 : 1,134,859,237.29 = 465,278,830.74 : x
  2. Step 2: Convert to fraction form
    822,502,841.58/1,134,859,237.29 = 465,278,830.74/x
  3. Step 3: Cross multiply
    822,502,841.58x = 1,134,859,237.29 × 465,278,830.74
  4. Step 4: Simplify right side
    822,502,841.58x = 528,025,978,980,779,392
  5. Step 5: Solve for x
    x = 528,025,978,980,779,392/822,502,841.58
  6. Step 6: Final answer
    x = 641,974,656.24

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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.