Home / 1,125,725,805.56-1,688,580,206.19-338,776,070.46

Finding the Fourth Proportional to 1,125,725,805.56, 1,688,580,206.19 and 338,776,070.46

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Solution

The fourth proportional to 1,125,725,805.56, 1,688,580,206.19 and 338,776,070.46 is: 508,161,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,725,805.56 : 1,688,580,206.19 = 338,776,070.46 : x
  2. Step 2: Convert to fraction form
    1,125,725,805.56/1,688,580,206.19 = 338,776,070.46/x
  3. Step 3: Cross multiply
    1,125,725,805.56x = 1,688,580,206.19 × 338,776,070.46
  4. Step 4: Simplify right side
    1,125,725,805.56x = 572,050,566,909,584,768
  5. Step 5: Solve for x
    x = 572,050,566,909,584,768/1,125,725,805.56
  6. Step 6: Final answer
    x = 508,161,547.05

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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.