Home / 71,681,185,555.40-98,920,045,748.76-39,566,553,770.28

Finding the Fourth Proportional to 71,681,185,555.40, 98,920,045,748.76 and 39,566,553,770.28

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Solution

The fourth proportional to 71,681,185,555.40, 98,920,045,748.76 and 39,566,553,770.28 is: 54,601,849,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,681,185,555.40 : 98,920,045,748.76 = 39,566,553,770.28 : x
  2. Step 2: Convert to fraction form
    71,681,185,555.40/98,920,045,748.76 = 39,566,553,770.28/x
  3. Step 3: Cross multiply
    71,681,185,555.40x = 98,920,045,748.76 × 39,566,553,770.28
  4. Step 4: Simplify right side
    71,681,185,555.40x = 3,913,925,309,076,869,742,592
  5. Step 5: Solve for x
    x = 3,913,925,309,076,869,742,592/71,681,185,555.40
  6. Step 6: Final answer
    x = 54,601,849,547.42

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Double scale
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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.