Home / 870,618,790.26-1,201,445,566.11-474,148,417.50

Finding the Fourth Proportional to 870,618,790.26, 1,201,445,566.11 and 474,148,417.50

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Solution

The fourth proportional to 870,618,790.26, 1,201,445,566.11 and 474,148,417.50 is: 654,320,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,618,790.26 : 1,201,445,566.11 = 474,148,417.50 : x
  2. Step 2: Convert to fraction form
    870,618,790.26/1,201,445,566.11 = 474,148,417.50/x
  3. Step 3: Cross multiply
    870,618,790.26x = 1,201,445,566.11 × 474,148,417.50
  4. Step 4: Simplify right side
    870,618,790.26x = 569,663,513,883,448,064
  5. Step 5: Solve for x
    x = 569,663,513,883,448,064/870,618,790.26
  6. Step 6: Final answer
    x = 654,320,260.78

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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.