Home / 1,218,341,548,576.80-1,681,326,572,387.50-669,692,754,717.30

Finding the Fourth Proportional to 1,218,341,548,576.80, 1,681,326,572,387.50 and 669,692,754,717.30

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Solution

The fourth proportional to 1,218,341,548,576.80, 1,681,326,572,387.50 and 669,692,754,717.30 is: 924,184,376,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,341,548,576.80 : 1,681,326,572,387.50 = 669,692,754,717.30 : x
  2. Step 2: Convert to fraction form
    1,218,341,548,576.80/1,681,326,572,387.50 = 669,692,754,717.30/x
  3. Step 3: Cross multiply
    1,218,341,548,576.80x = 1,681,326,572,387.50 × 669,692,754,717.30
  4. Step 4: Simplify right side
    1,218,341,548,576.80x = 1,125,972,223,841,580,894,650,368
  5. Step 5: Solve for x
    x = 1,125,972,223,841,580,894,650,368/1,218,341,548,576.80
  6. Step 6: Final answer
    x = 924,184,376,012.52

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Double scale
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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.