Home / 1,316,748,184.40-1,974,226,481.40-626,985,880.40

Finding the Fourth Proportional to 1,316,748,184.40, 1,974,226,481.40 and 626,985,880.40

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Solution

The fourth proportional to 1,316,748,184.40, 1,974,226,481.40 and 626,985,880.40 is: 940,052,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,748,184.40 : 1,974,226,481.40 = 626,985,880.40 : x
  2. Step 2: Convert to fraction form
    1,316,748,184.40/1,974,226,481.40 = 626,985,880.40/x
  3. Step 3: Cross multiply
    1,316,748,184.40x = 1,974,226,481.40 × 626,985,880.40
  4. Step 4: Simplify right side
    1,316,748,184.40x = 1,237,812,128,549,573,120
  5. Step 5: Solve for x
    x = 1,237,812,128,549,573,120/1,316,748,184.40
  6. Step 6: Final answer
    x = 940,052,276.67

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Double scale
Find fourth proportional to 1,316,748,185.40, 1,974,226,482.90 and 626,985,881.40
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.