Home / 13,280,088,503.95-18,326,477,642.59-7,258,590,420.08

Finding the Fourth Proportional to 13,280,088,503.95, 18,326,477,642.59 and 7,258,590,420.08

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Solution

The fourth proportional to 13,280,088,503.95, 18,326,477,642.59 and 7,258,590,420.08 is: 10,016,830,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,088,503.95 : 18,326,477,642.59 = 7,258,590,420.08 : x
  2. Step 2: Convert to fraction form
    13,280,088,503.95/18,326,477,642.59 = 7,258,590,420.08/x
  3. Step 3: Cross multiply
    13,280,088,503.95x = 18,326,477,642.59 × 7,258,590,420.08
  4. Step 4: Simplify right side
    13,280,088,503.95x = 133,024,395,050,314,072,064
  5. Step 5: Solve for x
    x = 133,024,395,050,314,072,064/13,280,088,503.95
  6. Step 6: Final answer
    x = 10,016,830,460.94

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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.