Home / 1,218,341,548,572.90-1,681,326,572,382-669,692,754,713.40

Finding the Fourth Proportional to 1,218,341,548,572.90, 1,681,326,572,382 and 669,692,754,713.40

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Solution

The fourth proportional to 1,218,341,548,572.90, 1,681,326,572,382 and 669,692,754,713.40 is: 924,184,376,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,341,548,572.90 : 1,681,326,572,382 = 669,692,754,713.40 : x
  2. Step 2: Convert to fraction form
    1,218,341,548,572.90/1,681,326,572,382 = 669,692,754,713.40/x
  3. Step 3: Cross multiply
    1,218,341,548,572.90x = 1,681,326,572,382 × 669,692,754,713.40
  4. Step 4: Simplify right side
    1,218,341,548,572.90x = 1,125,972,223,831,340,350,439,424
  5. Step 5: Solve for x
    x = 1,125,972,223,831,340,350,439,424/1,218,341,548,572.90
  6. Step 6: Final answer
    x = 924,184,376,007.08

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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.