Home / 9,215,038,075.30-12,716,662,009.95-4,985,857,169.35

Finding the Fourth Proportional to 9,215,038,075.30, 12,716,662,009.95 and 4,985,857,169.35

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Solution

The fourth proportional to 9,215,038,075.30, 12,716,662,009.95 and 4,985,857,169.35 is: 6,880,433,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,038,075.30 : 12,716,662,009.95 = 4,985,857,169.35 : x
  2. Step 2: Convert to fraction form
    9,215,038,075.30/12,716,662,009.95 = 4,985,857,169.35/x
  3. Step 3: Cross multiply
    9,215,038,075.30x = 12,716,662,009.95 × 4,985,857,169.35
  4. Step 4: Simplify right side
    9,215,038,075.30x = 63,403,460,452,478,197,760
  5. Step 5: Solve for x
    x = 63,403,460,452,478,197,760/9,215,038,075.30
  6. Step 6: Final answer
    x = 6,880,433,909.70

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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.