Home / 804,071,886.89-1,109,750,795.84-669,897,039.21

Finding the Fourth Proportional to 804,071,886.89, 1,109,750,795.84 and 669,897,039.21

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Solution

The fourth proportional to 804,071,886.89, 1,109,750,795.84 and 669,897,039.21 is: 924,567,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,071,886.89 : 1,109,750,795.84 = 669,897,039.21 : x
  2. Step 2: Convert to fraction form
    804,071,886.89/1,109,750,795.84 = 669,897,039.21/x
  3. Step 3: Cross multiply
    804,071,886.89x = 1,109,750,795.84 × 669,897,039.21
  4. Step 4: Simplify right side
    804,071,886.89x = 743,418,772,390,807,808
  5. Step 5: Solve for x
    x = 743,418,772,390,807,808/804,071,886.89
  6. Step 6: Final answer
    x = 924,567,547.40

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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.