Home / 1,086,849,127.80-1,499,469,203.34-710,725,897.08

Finding the Fourth Proportional to 1,086,849,127.80, 1,499,469,203.34 and 710,725,897.08

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Solution

The fourth proportional to 1,086,849,127.80, 1,499,469,203.34 and 710,725,897.08 is: 980,551,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,849,127.80 : 1,499,469,203.34 = 710,725,897.08 : x
  2. Step 2: Convert to fraction form
    1,086,849,127.80/1,499,469,203.34 = 710,725,897.08/x
  3. Step 3: Cross multiply
    1,086,849,127.80x = 1,499,469,203.34 × 710,725,897.08
  4. Step 4: Simplify right side
    1,086,849,127.80x = 1,065,711,594,687,654,400
  5. Step 5: Solve for x
    x = 1,065,711,594,687,654,400/1,086,849,127.80
  6. Step 6: Final answer
    x = 980,551,547.98

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Double scale
Find fourth proportional to 1,086,849,128.80, 1,499,469,204.72 and 710,725,898.08
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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.